How many of the grandsons have the disorder? 1 2 3 4

Answer:

Protons and neutrons

Answer:

Protons and Netrons

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Answer:

burgers

Explanation:

Chemical reaction or chemical change is characterized by gas  evolution, precipitate formation and  the color changes.

Chemical changes are defined as changes which occur when a substance combines with another substance to form a new substance.Alternatively, when a substance breaks down or decomposes to give new substances it is also considered to be a chemical change.

There are several characteristics of chemical changes like change in color, change in state , change in odor and change in composition . During chemical change there is also formation of precipitate an insoluble mass of substance or even evolution of gases.

There are three types of chemical changes:

1) inorganic changes

2)organic changes

3) biochemical changes

During chemical changes atoms are rearranged and changes are accompanied by an energy change as new substances are formed.

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Answer:

K.E. = 1/2 m v2

Explanation:

Answer:

Explanation:

The percentage error of a certain measurement can be found by using the formula

[tex]P(\%) = \frac{error}{actual \: \: number} \times 100\% \\ [/tex]

From the question

actual density = 8.96 g/mL

error = 8.96 - 8.86 = 0.1

We have

[tex]p(\%) = \frac{0.1}{8.96} \times 100 \\ = 1.1160714...[/tex]

We have the final answer as

Hope this helps you

Answer:

Rainfall - precipitation

disappeared puddles - evaporation

cloud formation - condensation

Explanation:

Rainfall that is observed by the Susan is the precipitation of the water cycle in which the water vapor that was condensed become heavy and form droplets of water and fall from sky to the earth surface.

Puddles that formed due to rainfall are the collection of water in the water cycle which is evaporated (process: evaporation) into the atmosphere n the form of water vapor which condensed to form clouds.

Answer: biology is the study of life

Source:trust me bro

Answer:

d = 11400 kg/m³

Explanation:

The density of lead is 11.4 g/cm³

We need to convert the density in kg/m³ in scientific notation.

We know that,

1 kg = 1000 g

1 cm = (1/100) m = 0.01 m

Density,

[tex]d=11.4\ \dfrac{g}{cm^3}\\\\=11.4\times \dfrac{(\dfrac{1}{1000})\ kg}{(0.01\ m)^3}\\\\=11400\ kg/m^3[/tex]

So, the density of the lead is 11400 kg/m³.

Answer: C. Squamous

Explanation:

I got it right on my test...lol

The type of epithelial cells that would be found in an area of the body where diffusion of nutrients needs to occur is squamous.

In conclusion, squamous can be found on the surface of the skin.

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Answer:

false

Explanation:

salt water cannot be classified as a substance because it's composition can vary

Answer:

-1300

Explanation:

Answer:

-1300

Explanation:

trust

Answer:

23 : 80

Not sure

No time for pictures

Answer:

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Refer to above attachment...

Answer:

1.0 something depending on your periodic table.

Explanation:

You are given atoms. Not molecules. The mass is what you would read from the periodic table. 1.000 in some form is the answer.

In nature, Hydrogen is found as H2 everywhere except in the sun or a star. The molecular mass (not the atomic mass) would be 2.000 something.

Answer:

look at the image below

Explanation:

The Bohr model of phosphorus depicts 15 electrons in different energy levels, with the nucleus at the center.

Two electrons are present in the first energy level, eight electrons are present in the second and five electrons are present in the third. The electron configuration of phosphorus, which is [tex]1s^2 2s^2 2p^6 3s^2 3p^3[/tex], matches this distribution.

The formula [tex]2n^2[/tex], where n is the energy level number, determines the maximum number of electrons in each energy level. Therefore, the first energy level can accommodate only two electrons, the second energy level up to eight, and the third energy level up to eighteen.

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Answer:

Trilobite fossils are found worldwide, with many thousands of known species. ... Because of their diversity and an easily fossilized exoskeleton, they left an extensive fossil record with some 17,000 known species spanning Paleozoic time.

Let me know if this help

Explanation:

Depending on the area and the movement of the plates, the fossils would be kind of close to each other. Maybe about a couple feet at the farthest in one area, almost everywhere.

Answer:

points go brrrrrr

Explanation:

Answer:

Beans.

Explanation:

Answer:

blood sample of each others

Answer:

30 atoms

Explanation:

2Ni(H₃O₄)₂

There are two nickel, twelve hydrogen and sixteen oxygen atoms are present in given formula.

The given formula is actually having two moles of Ni(H₃O₄)₂.

Thus in two mole total number of atoms are = 2+12+16 =30 atoms

In one mole there are one nickel atom, six hydrogen atom and eight oxygen atoms are present.

Thus in one one mole total number of atoms are = 1+6+8 =15 atoms

However this compound does not exist.

Answer:

[tex]\boxed {\tt 48 \ grams}[/tex]

Explanation:

Mass can be found by multiplying the density by the volume.

[tex]m=d*v[/tex]

The density is 2 grams per cubic centimeter.

The volume is 24 cubic centimeter.

[tex]d= 2 \ g/cm^3 \\v=24 \ cm^3[/tex]

Substitute the values into the formula.

[tex]m= 2 \ g/cm^3 *24 \ cm^3[/tex]

Multiply. Note that the cubic centimeters, or cm³ will cancel each other out.

[tex]m= 2 \ g * 24[/tex]

[tex]m= 48 \ g[/tex]

The mass of the material is 48 grams.

Answer:

pH>7

Explanation:

bases tend to increase the pH of a solution. since water has the pH of 7 and NaOH has pHof 14, the overall pH of solution will increase.

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Answer:

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What is the pH of a solution prepared by dissolving

0.8 g NaOH in water to make 200 mL solution?

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pH>7

Bases tend to increase the pH of a solution.Since,water has the pH of 7 and NaOH has pH of 14, the overall pH of solution will increase.

Answer:

The mass of hydrogen gas liberated is 0.6 g.

Explanation:

Given data:

Mass of Mg = 6.5 g

Mass of hydrogen gas liberated = ?

Solution:

Chemical equation:

Mg + 2HCl     →    MgCl₂ + H₂

Now we will calculate the number of moles of Mg.

Number of moles = mass / molar mass

Number of moles = 6.5 g/ 24 g/mol

Number of moles = 0.3 mol

Now we will compare the moles of Mg with hydrogen gas.

            Mg         :          H₂

             1           :           1

             0.3       :        0.3

Mass of H₂:

Mass = number of moles × molar mass

Mass = 0.3 mol × 2 g/mol

Mass = 0.6 g

Answer:

Planetary geologists study rocky planets by comparing them to Earth.

Explanation:

A planetary geologist is someone who studies how other planets form and evolve over time. Planetary geologists work in the field, laboratory, and -indirectly- in outer space through imagery and other data returned by spacecraft.

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Answer:

There are more than a hundred different atoms, but each element contains only one kind of atom.

Atoms are what make one element different from another.

So what makes one atom different from another?

The Greeks thought atoms could not be divided into anything smaller but they were wrong! Every atom can be divided into three different components - protons, neutrons and electrons.

The nucleus, or centre of an atom, is made of protons, (which have a positive electrical charge) and neutrons, which are neutral (in other words, they have no charge).

Electrons, which have a negative charge, move around the centre of the atom.

Normally, the number of electrons is equal to the number of protons, which makes atoms electrically neutral.

The number of protons in an atom is the defining feature of an atom. It's what makes one element different from another. The number of protons in an atom is called its atomic number. Oxygen atoms have 8 protons. So the atomic number of oxygen is 8.

All the elements in the universe are arranged according to their atomic number in the periodic table.

Atomic mass

If you add together the number of protons (or atomic number) and the number of neutrons in the nucleus of an atom, you can calculate the mass of the atom. Helium (He), atomic number two, has two protons and two neutrons. So the mass number for Helium is 4.

Isotopes

Atoms with the same number of protons but different numbers of neutrons are called isotopes. Uranium-238 and uranium -235 are two different isotopes of uranium. Uranium- 238 has a mass number of 238. Uranium-235 has a mass number of 235. So uranium-238 has more neutrons than uranium-235. But they are still both atoms of uranium because they have the same number of protons.

Answer:

Explanation:

1,2,1

Answer:

here's the answer

Explanation:

Answer:

What 3 factors influence the amount of thermal energy in an object, and how do they each affect it? Mass, temperature, and phase. More mass, more Thermal Energy. Higher temperature, more Thermal Energy.

ASAP=abbreviation. As soon as possible. 'fill in your form and send it to us ASAP' More example sentences.

they get closer together

Answer:

Bone char is a porous, black, granular material produced by charring animal bones. Its composition varies depending on how it is made; however, it consists mainly of tricalcium phosphate 57–80%, calcium carbonate 6–10% and carbon 7–10%. It is primarily used for filtration and decolorisation.

Explanation:

Element sodium (Na) has an atomic number of 11

mass number = 23

proton = 11

electron = 11

Neutron = mass number - atomic number

= 23 - 11

= 12