+65 | 1. | number of protons in an atom | proton | |
| 2. | negatively charged particle circling nucleus | atom | |
| 3. | matter made up of just one type of atom | element | |
| 4. | building block of matter | atomic number | |
| 5. | neutrally charged particle nucleus | nucleus | |
| 6. | center of the atom made up of protons and neutrons | neutron | |
| 7. | positively charged particle in the nucleus | electron |
+33661 | 1. | number of protons in an atom | atomic number | |
| 2. | negatively charged particle circling nucleus | electron | |
| 3. | matter made up of just one type of atom | element | |
| 4. | building block of matter | atom | |
| 5. | neutrally charged particle nucleus | neutron | |
| 6. | center of the atom made up of protons and neutrons | nucleus | |
| 7. | positively charged particle in the nucleus | proton |
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