Science Crossword

1. Found inside the nucleus with a positive charge
4. The name of elements that are found in group 1 on the periodic table
6. The charge of a proton
7. Signifies the number of protons in the nucleus of an atom
9. Two elements with the same number of protons but different number of neutrons are called
10. Hundreds found on the periodic table within boxes, each having a name and symbol
12. The center of the atom that contains protons and neutrons
13. These are the elements to the right of the staircase and are not reactive
16. Found in the shell with a negative charge
17. This is the group of elements found along the staircase on the periodic table
18. The name of elements found in group 18 on the periodic table

2. The name of the elements found in groups 3-12 on the periodic table
3. The charge of an electron
5. Name of the vertical columns on the periodic table
6. Name for the horizontal rows on the periodic table
8. This is a feature of a metal that allows it to be hammered
11. Tiny particles that make up protons and neutrons
12. Found inside the nucleus with a neutral charge
14. The elements on the left of the periodic table that are shiny, malleable, and ductile
15. The number that tells you the total number of protons and neutrons in an element