Elements Review

3. electrons have this charge
6. the number of electrons on the first electron ring
7. bond formed between a metal and non-metal with the transfer of electrons
10. protons have this charge
11. Chemist that described the make-up of atoms to be similar to a plum pudding, creating the plum-pudding model
15. group of elements found in the 18th column and do not bond with other elements
16. bond formed between two non-metals with the sharing of electrons
17. rows on the periodic table, elements that have the same energy levels
19. only element on the periodic table that does not have any neutrons
20. element with a chemical symbol of W
21. poor conductors of heat and electricity
22. smallest unit of matter

1. type/name of electrons that are involved with bonding
2. Chemist that discovered neutrons
4. group of elements in the 17th column and they commonly bond with the alkali metals
5. found along stair-step line that distinguishes metals from non-metals
8. charge of neutrons
9. good conductors of heat and electricity
12. subatomic particle that is determined by subtracting the atomic number from the atomic mass
13. subatomic particle that orbits the nucleus
14. columns on the periodic table, elements with similar properties
15. central part of an atom made up of protons and neutrons
18. subatomic particle that is equal to the atomic number and has a positive charge