Vocabulary Crossword

4. An element that is not metal.
5. A substance formed by a chemical reaction. A product is made by the rearrangement of atoms.
6. the total number of protons and neutrons in an atoms nucleus.
9. The average mass of the atoms in an element.
10. An element that has proprites of metals and non metals.
12. A Horizontal row in the Peroidic table of elements.
13. Likely to undergo a chemical change.
15. A property of matter Representing the mass per unit volume.
18. A particle that has no electric charge and is located in an atoms nucleus.
19. A substance that can not be broken down into a simplier Substance by an ordinary chemical change.

1. A vertical column in the Period table.
2. A substance made of two or more diffrents types of atoms bonded together.
3. The smallest part of an element that has the chemical propetites of that element.
5. A solid substance that forms as a result of a reaction between chemicals in two liquids.
7. An atom or group of atoms that has a positive or negative electrical charge.
8. An atom or group of atoms that has a positive or negative eletric charge.
11. A combination of two or more diffrent substances that do not chemmicaly combine but remain the same indivual substances.
14. A negative charged particle located outside an atoms nucleus.
16. A postivley charged particle In the nucleus.
17. A element that tends to be shiny, easly shaped, and a good conductor of heat and electricty.