D = mass / volume
d = 100 g / 100 mL
d = 1.0 g/mL
Answer:
6. In order from left to right the balanced coeficcients are,
6, 1, 2, 3
8. 
9. In order from left to right the balanced coeficcients are,
1, 11, 7, 8
Answer:
Coating a material with metal
(SInce the glasses will be coated with gold.)
It would be 4.2, hope this helps.
Answer:
Because it gives them a full valence shell.
Explanation: