B) The number of neutrons always equals the number of protons.
Hope this is of great help to you, and happy studying~!
~Mistermistyeyed.
One type of atom, such as hydrogen is called an element. An element is a pure substance, made up of only one type of atom. You can find the elements on the periodic table of elements, where they are listed.
Answer:
Explanation:
electrons i believe. That is why an atom has a neutral charge- electrons and protons cancel each other out
Independent variable would be the thing that changes so the size of the rock