Answer:
You take the atomic, or proton number of the element, and you subtract it from the element's mass number.
protons
Explanation:
neutrons and protons make up the mass of the atom
the answer is c.) 30%
I personally think Manuel
Where are the following?
The main properties of water are its polarity, cohesion, adhesion, surface tension, high specific heat, and evaporative cooling.
