Answer:
The difference between a physical reaction and a chemical reaction is composition. In a chemical reaction, there is a change in the composition of the substances in question; in a physical change there is a difference in the appearance, smell, or simple display of a sample of matter without a change in composition.
Explanation:
There is 1 aluminium atom and 4 polonium atoms
Answer:
1.06 M
Explanation:
200.12/36.46= ans./5.2
grams/atomic mass = ans./volume (L)