Question

1.The symbol of an atom changes when the number of _______

changes.
2.The net charge of an atom depends on ___________ and
_________.
3.The atom is neutral when ________ and _________ are equal.
4.The mass number of an atom depends on __________ and
_________.

Answer 1

1. proton

2. electrons and protons

3. protons and electrons

4. protons and neutrons

Step-by-step explanation: