How many atoms are in 6.2 moles of aluminum?

Answers

Answer 1

Answer: 6.2×6.022×1023=3.733×1024 atoms.

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All atoms of the same element have the same ____.a. number of neutrons
c. mass numbers
b. number of protons
d. mass

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An element is unique due to its number of protons. If you were to change the number of protons, the element would be a completely different element

How do you find the IUPAC name for a compound like ZnO

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To find the IUPAC name for compounds, you must memorize prefixes and suffixes and other terms in determining or naming a compound. The IUPAC name for compound ZnO is Oxozinc or Zinc Oxide. I hope this helps you on your assignment.

In relation to the earth's surface, explain where rock spend most of there time.

Answers

Pretty sure, don't quote me on this, but I think that the answer is the magma. So sorry if I'm wrong! Learned this last year and it was a brief recap so don't remember the exact answer.

Answer:

Pretty sure, don't quote me on this, but I think that the answer is the magma. So sorry if I'm wrong! Learned this last year and it was a brief recap so don't remember the exact answer.

Explanation:

How many protons, electrons, and neutrons does the following isotope contain? 40 Ar

Answers

The isotope 40Ar contains 18 protons, 18 electrons, and 22 neutrons.

The isotope 40Ar refers to the isotope of argon, which has an atomic number of 18.

Since the atomic number represents the number of protons in an atom, we can conclude that the isotope 40Ar contains 18 protons.

Argon is a neutral atom, so the number of electrons also matches the number of protons. Therefore, the isotope 40Ar contains 18 electrons.

To find the number of neutrons, we need to subtract the atomic number (protons) from the mass number (protons + neutrons). The mass number of 40Ar is 40. Subtracting the atomic number of 18 from the mass number gives us:

Number of neutrons = Mass number - Atomic number

Number of neutrons = 40 - 18

Number of neutrons = 22

Therefore, the isotope 40Ar contains 18 protons, 18 electrons, and 22 neutrons.

Learn more about atomic number from the link given below.

brainly.com/question/16858932

#SPJ2

Answer:

18 protons, 18 electrons, 22 nuetrons

Explanation:

Argon has an atomic # of 18. Atomic #s show the amount of protons and electrons it has. Atomic mass - atomic # = # of nuetrons. 40-18=22

True or False: Since baking soda is a powder, all the substances it breaks down intoare also powders.

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False; Sodium hydrogen carbonate (also known as sodium bicarbonate or bicarbonate of soda) has the chemical formula NaHCO3. When it is heated above about 80°C it begins to break down, forming sodium carbonate, water and carbon dioxide. This type of reaction is called a thermal decomposition.

A force of 10 newtons is acting upon a box. If the box is not moving, we can assume-

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Answer:

We can assume that allforceactingontheboxarebalancedinalldirections.

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