| Questions | Answers |
|---|---|
| draw and lable a bohr modle that has 7 protons and 7 neutrons? | |
| what is the charge of a proton? | positive |
| what is the charge of an electron? | negitive |
| what is the charge of a neutron? | no charge |
| exsplane why atoms have a nuetrol charge. | |
| what is an isotope? | |
| what does a period indicate? | energy levels |