What charge does Chlorine have after bonding with magnesium

What Charge Does Chlorine Have After Bonding With Magnesium

Answers

Answer 1

Answer:

A magnesium atom will lose 2 electrons to form a stable 2+ ion. Chlorine is in group 7 of the periodic table. A chlorine atom will gain 1 electron to form a stable 1- ion.

Explanation:


Related Questions

A land rover drops from rest a vertical distance of 1000 m to the surface of planet in 15 seconds what is the magnitude of the acceleration due to gravity on the planet

Answers

Answer:

66.6 or it could be 66.66 one of those

Explanation:

what is the least efficient way to roast a marshmallow using heat transfer conduction, convection, or radiation?

Answers

Answer:

convection

Explanation:

The only way convection can only take place in liquids and gas.Since the marshmello is neither,convection is the least effective way

Select the correct answer.
Type O negative blood is considered the universal red blood cell donor because it
OA.
Has all 3 types of antigens.
OB.
Has all 3 types of antibodies.
Lacks all 3 types of antigens.
OD
Lacks all 3 types of antibodies.

Answers

Answer:

The answer is C.) Lacks all 3 types of antigens.

An object has a mass of 20,000kg and a density of 4000kg/m? What is its
volume?​

Answers

The answer is 20000kg

#7 If the Moon’s mass was suddenly tripled, what would occur to the gravitational force between the Earth and the Moon?
(A) Gravitational force would increase by a factor of 3.
(B) Gravitational force would decrease by a factor of 3.
(C) Gravitational force would increase by a factor of 9.
(D) Gravitational force would decrease by a factor of 9.

Answers

Answer:

well it would be (A) Gravitational force would increase by a factor of 3.

Explanation:

because the moon is the only thing that gained mass not the Earth

A sudent is given an example of an unknown liquid in the laboratory the student thinks that the liquid is water what which of the following properties of the sample is most helpful to determine the if the liquid is water

Answers

Answer:

Color. Smell?

Explanation:

Answer:

Freezing Point or Boiling Point

Explanation:

Hope this helps!

A cannonball is fired on flat ground
at 520 m/s at a 58.0° angle.
How much time is it in the air?
(Unit = s)

Answers

Answer:

90 seconds

Explanation:

Which of the following is NOT a likely result of regular physical activity?

Answers

Answer

decreased attention span

Explanation:

How do streams flow?

Answers

When rain falls on the land, it either seeps into the ground or becomes runoff, which flows downhill into rivers and lakes.

Answer: When rain falls on the land, it either seeps into the ground or becomes runoff, which flows downhill into rivers and lakes, on its journey towards the seas. As small creeks flow downhill they merge to form larger streams and rivers. Rivers eventually end up flowing into the oceans.

Explanation:

What disagreement did Sigmund Freud have with both Josef Breuer and Jean Martin Charcot?
A. whether hypnosis was a neurological or psychological phenomenon
B. whether hypnosis should be conducted with pregnant women
C. whether hypnosis had any value as a curative remedy for patients
D. whether hypnosis was an effect of a "hidden observer" or the id

Answers

Answer:

The correct answer is 'A'

Explanation:

I guessed and was correct.

Freud backed Bernheim's efforts to establish hypnosis and suggestion as acceptable fields of study for science and to advance them as therapeutic tools. Thus, option A is correct.

What is the neurological or psychological phenomenon?

Both neurologists and psychiatrists treat illnesses and ailments that affect the brain and the psyche. However, while psychiatrists focus on psychological issues, neurologists are experts in physiological illnesses.

According to medical terminology, neurological disorders are conditions that impact the spinal cord, brain, and body's nerves.

A variety of symptoms can be caused by structural, metabolic, or electrical abnormalities in the brain, spinal cord, or other nerves.

Therefore, whether hypnosis was a neurological or psychological phenomenon.

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Dos pilotos suicidas, que están inicialmente a una distancia de 500 m entre sí, deciden chocar directamente de frente arrancando ambos desde el reposo. Ambos autos pueden desarrollar una aceleración máxima constante de 15 m/s2 . Si el piloto A arranca un segundo antes que el piloto B, encuentra: a) la posición donde los autos chocan, medida a partir de la posición donde arranca el piloto A, y b) la rapidez relativa de la colisión (la rapidez de B con respecto a A justo antes de la colisión, ó viceversa).

Answers

Answer:

a) El punto de colisión de los dos automóviles desde donde parte el conductor del automóvil A es de aproximadamente 293,14 metros.

b) La velocidad del automóvil A, en relación con la velocidad del automóvil B, es de 15 m / s

Explanation:

Los parámetros del movimiento son;

La distancia entre ambos coches = 500 m

La aceleración de ambos coches = 15 m / s²

La dirección de movimiento de ambos coches = uno hacia el otro

La hora de inicio del conductor A = Un segundo antes de la hora de inicio del conductor B

Por lo tanto, de la ecuación de movimiento, tenemos;

s = u · t + 1/2 · a · t²

v² = u² + 2 · a · s

Dónde;

u = La velocidad inicial de los autos = 0 (los autos parten del reposo)

t = El tiempo de movimiento de una aceleración dada

a = La aceleración = 15 m / s²

s = La distancia recorrida en el tiempo t

Por lo tanto, para el controlador A, tenemos;

s₁ = 0 × (t + 1) + 1/2 × 15 × (t + 1) ² = 7.5 × (t + 1) ²

s₁ = 7.5 × (t + 1) ²

Para el conductor B, tenemos;

s₂ = 0 × t + 1/2 × 15 × t² = 7.5 × t²

s₂ = 7,5 × t²

Dado que ambos chocan a lo largo del camino de 500 m, tenemos;

s₁ + s₂ = 500 metros

∴ 7.5 × (t + 1) ² + 7.5 × t² = 500

∵ s₁ + s₂ = 7.5 × (t + 1) ² + 7.5 × t²

Lo que da;

15 · t² + 15 · t + 7.5 = 500

15 · t² + 15 · t - 492,5 = 0

Resolver usando la aplicación en línea da; t = -6,25181 o t = 5,25181

Dado que t es un número natural, tenemos el valor correcto para t = 5.25181 segundos

a) Por tanto, el punto de colisión de los dos coches desde donde parte el conductor del coche A es;

s₁ = 7.5 × (t + 1) ² = 7.5 × (5.25181 + 1) ² ≈ 293.14 metros

El punto de colisión de los dos automóviles desde donde parte el conductor del automóvil A ≈ 293,14 metros

b) La semilla de A en el punto de colisión se da de la siguiente manera

Velocidad, v₁ = u + a × (t + 1) = 0 + 15 × (5.25181 + 1) ≈ 93.78

v₁ ≈ 93,78 m / s

La semilla de B en el punto de colisión también se da de la siguiente manera

Velocidad, v = u + a × (t) = 0 + 15 × 5.25181 ≈ 78.78

v₁ ≈ 78,78 m / s

Por lo tanto, la velocidad del automóvil A, en relación con la velocidad del automóvil B, [tex]v_{relative}[/tex] se da como sigue;

 = v₁ - v₂ = 93,78 m / s - 78,78 m / s = 15 m / s

la velocidad del automóvil A, relativa a la velocidad del automóvil B = 15 m/s.

Explain why light behaves like both a wave and a particle?

Answers

Light has a dual “character” it sometimes behaves like a wave and sometimes like a particle. This is called “wave-particle” duality. We are aware of light reflecting, refracting, diffracting, etc and all these are wave properties of light However, high frequency ultraviolet light shows particle properties because when it is incident on certain metals, ultraviolet behaves like a stream of “particles” or quanta which interact 1 on 1 with electrons which are then knocked out and released.

VR OF SECOND CLASS LEVER

Answers

Answer: Second class lever has mechanical advantage always more than one as load is in between fulcrum and effort making the effort arm longer than the load arm. It multiplies force. ... It does not multiply force but changes the direction of force.

Have a nice day / night! :)

Which of the following solar oven design materials would serve as the best insulator to minimize the transfer of thermal energy from the inside of the solar oven to the surroundings?

1.white paper lining the interior
2.metal platform
3.foil on the exterior flap
4.layers of cotton lining the interior

Answers

Answer:

layers of cotton lining the interior

Explanation:

Question 7 (2 points)
To draw conclusions in the scientific method means to decide if the Hypothesis is supported or not supported.
O True
O False

Answers

Answer:

Tire

Explanation:

Which athelete broke two world records twice this year?​

Answers

Answer:

Michael

Explanation:

car decelerates uniformly and comes to a stop after 10 s. The car's average velocity during deceleration was 50 km/h. What was the car's deceleration while slowing down?
Help!!!!

Answers

Answer:

[tex]a=-1.388\ m/s^2[/tex]

Explanation:

Initial velocity of car, u = 50 km/h = 13.88 m/s

It stops, v = 0

Time, t = 10 s

We need to find the car's deceleration while slowing down. As the car is slowing down, it will have deceleration. It can be calculated as follows :

[tex]a=\dfrac{v-u}{t}\\\\a=\dfrac{0-13.88 }{10}\\\\a=-1.388\ m/s^2[/tex]

So, the deceleration of the car is [tex]1.388\ m/s^2[/tex].

Students have been assigned to write reports on cell organelles. Eric’s report is about the organelle that supports and gives structure to plant cells. Which organelle is Eric writing about?

A. Chloroplast
B. Cell wall
C. Mitochondria
D. Nucleus

Answers

Eric is writing about the cell wall.
Chloroplast is for photosynthesis.
Mitochondria releases energy from respiration.
Nucleus controls the activities of the cell.
But the cell wall supports and gives structure to the cell.

Cell wall is that organelle that gives structure to plant cells. A cell wall is a structural layer that surrounds certain types of cells. It can be hard, flexible, or rigid at times.

What is a cell wall?A cell wall is a structural layer that surrounds certain types of cells. It can be hard, flexible, or rigid at times. It functions as a filtration system as well as structural support and cell protection. Many eukaryotes, including animals, lack cell walls, though fungi, algae, and plants, as well as the vast majority of prokaryotes, do (except mollicute bacteria). One of their primary functions is to act as pressure channels, preventing the cell from over-expanding when water enters.The polysaccharides cellulose, hemicelluloses, and pectin make up the primary cell wall of land plants. Other polymers, such as lignin, suberin, and cutin, are frequently anchored to or embedded in plant cell walls.

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awnser thiss i need awnsers​

Answers

Answer:

B

Explanation:

Density = mass / volume

Less dense objects float to the surface so if the liquid becomes 1000 kg/m3 then it is the densest thing in the mixture, except for Q which has a density = to that of the water so it will stay in place around the middle, since the other two are more dense they will go to the bottom of the container.

The answer to this question is b

– Un automóvil A viaja hacia el este a 80 Km/h, mientras que un segundo automóvil B viaja en la misma carretera a 70 Km/h. Determine la velocidad del automóvil B medida desde el automóvil A si: a) Viajan en sentido contrario acercándose uno al otro. B) Viajan en el mismo sentido.

Answers

Answer:

la respuesta esta abajo

Explanation:

La velocidad de un objeto A relativa a otro objeto B es la velocidad que el objeto A parecería tener para un observador que se mueve con B.

a) La velocidad relativa de dos cuerpos que se mueven en la dirección opuesta es la suma de su velocidad. Por lo tanto:

Velocidad relativa = 80 + 70 = 150 km / h

b) La velocidad relativa de dos cuerpos que se mueven en la misma dirección es la diferencia entre su velocidad. Por lo tanto:

Velocidad relativa = 80 - 70 = 10 km / h

Kinematics
29. A car starts from rest and attains a velocity
of 40 m/s in 20 s. It maintains this velocity
for 30 s and then comes to rest in 25 s.
Calculate
a) the acceleration of the car;
b) the deceleration of the car,
c) the total distance covered by the car.​

Answers

Answer:

a)

a = 2 [m/s^2]

b)

a = 1.6 [m/s^2]

c)

xt = 2100 [m]

Explanation:

In order to solve this problem we must use kinematics equations. But first we must identify what kind of movement is being studied.

a)

When the car moves from rest to 40 [m/s] by 20 [s], it has a uniformly accelerated movement, in this way we can calculate the acceleration by means of the following equation:

[tex]v_{f} = v_{i}+(a*t)[/tex]

where:

Vf = final velocity = 40 [m/s]

Vi = initial velocity = 0 (starting from rest)

a = acceleration [m/s^2]

t = time = 20 [s]

40 = 0 + (a*20)

a = 2 [m/s^2]

The distance can be calculates as follows:

[tex]v_{f} ^{2} = v_{i} ^{2}+(2*a*x)[/tex]

where:

x1 = distance [m]

40^2 = 0 + (2*2*x1)

x1 = 400 [m]

Now the car maintains its speed of 40 [m/s] for 30 seconds, we must calculate the distance x2 by means of the following equation, it is important to emphasize that this movement is at a constant speed.

v = x2/t2

where:

x2 = distance [m]

t2 = 30 [s]

x2 = 40*30

x2 = 1200 [m]

b)

Immediately after a change of speed occurs, such that the previous final speed becomes the initial speed, the new Final speed corresponds to zero, since the car stops completely.

[tex]v_{f} = v_{i}-a*t[/tex]

Note: the negative sign of the equation means that the car is stopping, i.e. slowing down.

0 = 40 - (a *25)

a = 40/25

a = 1.6 [m/s^2]

The distance can be calculates as follows:

[tex]v_{f} ^{2} = v_{i} ^{2} -2*a*x3\\[/tex]

0 = (40^2) - (2*1.6*x3)

x3 = 500 [m]

c)

Now we sum all the distances calculated:

xt = x1 + x2 + x3

xt = 400 + 1200 + 500

xt = 2100 [m]

A supersaturated solution is one which A. has less solute dissolved than the solution should hold at that temperature. B. has more solvent dissolved than the solution should hold at that temperature. C. has more solute dissolved than the solution should hold at that temperature. D. has less solvent dissolved than the solution should hold at that temperature.

Answers

Answer:

Option C is correct

Explanation:

A supersaturated solution is one that has more solute dissolved than the solution should hold at that temperature.

Examples include carbonated water, sugar syrup, honey.

A solution of a chemical compound can be dissolved in heated water to prepare a supersaturated solution. A solution becomes supersaturated as its temperature is changed.

Answer:

Its A

Explanation:

If a red blood cell with a 0.5M salt concentration is placed into a 2M salt solution, what will happen to the blood cell?

Answers

Answer:

The blood cell will expand.

Explanation:

Given that,

Salt concentration = 0.5M

Solution concentration = 2M

We know that,

Hypertonic solution :

If the solution concentration is lower than the solute concentration then it is called hypertonic solution.

Hypotonic solution :  

If the solution concentration is higher than the solute concentration then it is called hypotonic solution.

We need to find what will happen to the blood cell

Using given data

The solution concentration is higher than the solute concentration.

So, The solution will be hypotonic solution.

We know that,

When a cell is placed in a hypotonic solution then the water will enter the cell, and the cell will expand.

Hence, The blood cell will expand.

Answer:

The blood cell will expand.

Explanation:

Just took a test.

{Hope this helps} : )

Question
What is the unit of wavelength?
A
hertz
B.
metre
С
metre per second
D
second
А
B
С
D

Answers

Answer:

A wavelength is a measure of distance between two consecutive crests or trough. So , the unit of wavelength is same as unit of distance. I.e metre

What is the best definition of marginal cost?

Answers

Answer:

Marginal cost is the money paid for producing one more unit of a good.

Explanation:

A light bulb will glow when electrons flow through it. As the electron flow increases, the brightness increases as well. A student hooks up two circuits containing three light bulbs in each circuit. In one circuit the lights are connected in series and in the other circuit the lights are hooked up in parallel.

Answers

Answer:

Please find the answer in the explanation

Explanation:

Given that a light bulb will glow when electrons flow through it. As the electron flow increases, the brightness increases as well. A student hooks up two circuits containing three light bulbs in each circuit. In one circuit the lights are connected in series and in the other circuit the lights are hooked up in parallel.

If you could only see the lights in the circuit and the wires were covered up, how could you tell the type of circuit?

The type of the circuit can be determined if you loose or unscrew one light bulb, all other bulbs will be switched of if connected in series. But if the others remain on it is a parallel circuit.

HEY CAN ANYONE PLS ANSWER DIS!!!!!!!!!!! IN YOUR OWN WORDS PLS!!!!!!

Answers

all objects are made of matter but an atom is only a small part of matter

Elements in the same group or family share important

Answers

The periodic table also has a special name for its vertical columns. Each column is called a group. The elements in each group have the same number of electrons in the outer orbital. ... They are the electrons involved in chemical bonds with other elements.

Elements in the same group or family share important properties due to their similar electronic configurations and valence shell structure.

The periodic table is organized based on the electronic structure of atoms, specifically the arrangement of electrons in energy levels or shells. Elements within the same group or family of the periodic table have similar outer electron configurations, leading to shared properties and behaviors.

Elements in a group have the same number of valence electrons, which are the electrons in the outermost shell or energy level of an atom. Valence electrons are crucial because they determine an element's chemical reactivity and its ability to form bonds with other atoms.

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What is the speed of an object that travels 60 meters in 4 seconds?
a) 240 m/s
b) 15 m/s
c) 0.067 m/s
d) 15 mph

Answers

Answer:

B) 15 m/s

Explanation:

Since most of the answer choices are in m/s, you can try dividing 60 meters/4 seconds in order to get the seconds on the bottom to become 1 second.

You want to find how many meters the object can travel in 1 second, rather than 4 seconds.

[tex]\frac{60 \ m}{4 \ s} \div \frac{4}{4} = \frac{15 \ m}{1 \ s}[/tex]

Now you can see that for every 1 second of time, the object can travel 15 meters. This corresponds to answer choice B) 15 m/s.

The last option, D, is incorrect because we are not dealing with hours as our unit of time. We are dealing with seconds.

Answer:

b) 15 m/s

hope it help you

Estimate the total mass of ocean on earth

Answers

1/4400 total mass on earth , weighting about 1,450,000,000,000,000,000 short tons of water
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