chapter 4,5,6

1. the rapid reaction of a compound or element with oxygen to form an oxide
4. a stainless steel device
5. the number of protons and electrons in a neural atom is equal
6. the measure of how much area of an object is exposed
7. octet/the arrangement of eight electrons in the outernost shell
10. changes changes in the ways the atoms and molecules in a pure substance are arranged and interconnected
12. reaction usually involves two ionic solutions that react to produce two other ionic compounds
15. a chemical compound that includes atleast one oxygen atom or ion together with one or more other elements
18. they can form ions in more than one way,
20. a pure substance that is composed of of two or more atoms

2. a reactive element and a compound react to produce another element and another compound
3. top to bottom
6. a liquid that can dissolve other substances
8. combination reaction,two or more reactants
9. the term given to the electric charge on the nucleus
11. charged particles created when atoms lose or gain elcetrons
12. is the breaking down of a compound into smaller compounds
13. an insoluble solid that forms from a solution
14. a group of atoms in which the atoms are bound together by sharing one or more pairs of of electrons
16. a group
17. a class of ionic compounds that can be formed during they reaction of a acid and a base
19. smallest particle of any element that retains the properties of the element