Answer:
B) 82 protons
Explanation:
The number of protons for an element never change. 82 Is the atomic number for Pb which is how many protons it has. An isotope means it has more neutrons.
I looked up what is the molecular formula for Phosphine and got this: PH3
Hope this helps! Let my know if this was correct.
This is true. Water is the solvent in aqueous solutions
Answer : Mass
Explanation : Mass measures the amount of matter in a substance or an object.
A. ca is the answer because its short for carbon