Basic Chemistry Terms

2. A group of elements organized up and down on the periodic table. They react / behave similarly
4. This change occurs when a substance changes forms but it is chemically the same thing
8. A strong force or attraction between atoms
10. The substance being dissolved by the solvent
11. Two or more elements bonded together into one substance
13. The electrons in the outer shell
15. When atoms or molecules are rearranged to form new substances. The result of a chemical change.
16. A pure substance that cannot be chemically or physically broken down by any further means
17. This is how many protons are in the element
19. This is the average of the total protons and neutrons in an element
20. The simplest unit of matter that retains chemical properties

1. The stuff on the left-hand side of the arrows in a chemical reaction
3. The substance in greater amount that is dissolving the solute
5. When an element has different number of neutrons but the same number of protons
6. This is an element's attraction to electrons (when participating in a covalent bond)
7. Two or more atoms bonded together into one
9. This type of chemical bond results from a sharing of electrons between two atoms
12. The stuff on the right-hand side of the arrows in a chemical reaction
14. This change occurs when a substance is transformed into another
18. This type of chemical bond results from the attraction of opposite charges (positive and negative)