Homework #3

p132 #26 - 28, 29 - 34

26. metallic elements

27. Noble gases barely gain or lose electrons, showing how they are not very reactant. Elements who lose or gain electrons are usually the ones that are most reactive.

28.
a. cation
b. cation
c. anion
d. cation
e. anion
f. cation
g. cation
h. anion

29. a is closer to b

30. 200 ppm

31. a. chemically, like the rust of iron.
b. physical, because that wont change the chemical makeup.
c. chemical

32.
Bromine
Sillicon

33. All the info will help get to an answer.

34. It would not. due to the elements placement

p151 # 1 - 8

1. Hydrogen and Oxygen

2.
a. Crust, mantle, core
b. lithosphere

3.
mexico
japan
china

4. China

5. Have elements

6. The way the ore is found, the amount of it found, and the type of mining used.

7. Type of mining to get gold. Now there are newer and better ways to getting gold.

8. There needs to be a good amount of ore to find.