Yes they can have a trace of polar in them
Hydrazine is a mixed chemical...look up what is in Hydrazine. Then find the chemicals in it. 13.00g of hydrazine can react to anything....water, gas, etc. but it might not be visible.
Answer:
5 million million atoms can fit at the end of a needle
Answer:
F=ma where F = force in N, m = mass in g and a = acceleration in 