Chemistry Terms

3. THEY are chemical compounds that are formed by the reaction of an acid and a base.
5. The central core of an atom containing the protons and neutrons.
6. IT measures the activity of the hydrogen ion in substances. If a substance has a pH less than 7 it is said to be acidic. If its pH is greater than 7 then it said to be basic or alkaline.
8. A table of the chemical elements arranged by atomic number.
9. A family of elements that makes up column 18 of the periodic table. They are very stable due to their full outer electron shells.
10. A particle in the nucleus of an atom that has no electric charge.
11. A substance that is a good conductor of heat and electricity. They are generally malleable, ductile, and shiny.
13. A homogeneous mixture where one substance called the solute is fully dissolved into another substance called the solvent. For example, IT is formed when salt dissolves into water to make the solution salt water.
14. IT is formed when two or more atoms are joined together by a chemical bond.

1. A particle within the nucleus of an atom that holds a positive charge.
2. An electron in an atom that can participate in a chemical bond
4. The process that occurs when two or more chemical substances are combined to form another chemical substance.
7. A substance is said to be THIS if it can be pounded into a thin sheet.
12. A combination of two or more substances that are not chemically combined.
15. The name for the process when oxygen combines with another element to form a compound.