7. Atomic mass
8. Atomic number
9. Chemical symbol
10. Right
Nitrogen. air consists 78% of nitrogen gas
Answer:
Thus,there are 0.2 mole in 8 g of calcium.
B. Who, what, when, where, why, and how. Those are the most important and key componants in a story.
What happens is that the sodium solution when put in water reacts and creates thermal energy .
