atomic number is equal to proton number
so the proton number will be 87
<span>it's a. carbon
</span>contain carbon<span>, </span>hydrogen<span>, oxygen, and nitrogen atoms. Certain amino acids also have sulfur atoms, phosphorus, or other trace elements such as iron or copper.</span>
<span>the temperature decreases with height here just like it does in the troposphere.</span>
Answer:
I would say water
Explanation:
The molecules that make up ice actually have more space between them than the molecules in liquid water do. Steam can flow around really easily making there be even more space for them.
sorry if this is wrong. I just did research and this is what I got.
Protons = Atomic number
Protons + Neutrons = Mass Number
Protons = 20
Neutrons = Atomic number - Mass number
Neutrons = 82 - 20 = 62
