Answer:
The mass number is defined as the total number of protons and neutrons in an atom. The number of neutrons = mass number − atomic number.
Answer:
the particles start to spread out and cause it to get warmer
Explanation:
Explanation:
a chemical reaction in which the rate of reaction is proportional to the concentration of each of three reacting molecules
<span>You could find the volume of an irregular object by water displacement. You measure the initial volume of water in a beaker, then you place the object in the water. Record the final volume and subtract it from the initial, and there you have the volume of the object.</span>
The right answers are A) and B).
