The answer is A I believe.
<h3><u>Answer;</u></h3>
<em>2 atoms of nitrogen </em>
<h3><u>Explanation;</u></h3>
- A compound is a substance that is made up of different types of atoms from different elements. For example water is a compound made up of hydrogen and oxygen atoms.
- In this case; Ni(NO₃)₂, is an example of a compound. It is <u><em>made up of 1 nickel atom, 2 atoms of nitrogen, and six atoms of oxygen</em></u>.
Answer:
Try B. C and D are helping stop global warming and A isn't as much of a factor
Answer: protons
Explanation:
Changing the number of protons would change it into an atom of a different element.