Easy Atom Review

2. Period 4 on the periodic table starts with Potassium(19) and ends with _______(36)
3. To find metals on the periodic table look on the _______ side (right or left?)
5. most of what is contained in an atom (two words)
6. A column on the periodic table is called a _______
9. protons and neutrons have nearly equal _______
10. Elements are organized by atomic _________
13. Group 2 on the table starts with Be(4 protons) and ends with _______ (88protons)
14. Shows the element symbol, atomic number and atomic mass (two words)
17. on the far right side of the table you find mostly ___________ (gasses, solids, jello)
18. Passing a current through water yields 2 parts hydrogen gas and 1 part ______ gas

1. equal to the number of protons(two words)
4. The atomic number for sodium is _________
7. A row on the periodic table is called a _________
8. A periodic table us used to organize ________
9. Russian Chemist who created the first periodic table Dimitri___________
11. Silicon(14) has properties of metals and nonmetals. It is classified as a _______
12. particle that is 1/1840 the mass of a proton
15. the atomic number of oxygen, and the number of protons of oxygen
16. To find non-meals look on the _______ side of the periodic table