| Across |
| 1. |
= Any atom or group of atoms that bears one or more positive or negative electrical charges |
| 3. |
= A subatomic particle with a negative charge |
| 5. |
= Contains elements with the same number of electrons |
| 6. |
= Members of a family of an element that all have the same number of protons but different numbers of neutrons |
| 7. |
= My symbol is Zn |
| 11. |
Number = The number of protons in the nucleus |
| 12. |
= A horizontal row of the periodic table |
| 13. |
= My atomic mass is 70 |
| 15. |
Mass = Roughly equal to the sum of the individual particle masses of an atom |
| 16. |
= Elements that have properties between metals and nonmetals |
| 18. |
= My atomic mass is 28 |
| 21. |
= A subatomic particle with a neutral charge |
| 23. |
= My atomic mass is 1 |
| 24. |
= What the element is called |
| 27. |
= My symbol is Ag |
| 29. |
= A family of elements consisting of 15 elements |
