How many moles are in 3.45 x 10^26 atoms Rb?

The state or quality of being humid.a quantity representing the amount of water vapor in the atmosphere or a gas.

Oxygen= 88ghydrogen= 12g

The answer to the question: choose the correct statement.  a) when ethane reacts with fluorine gas the product is less stable.b) addition reactions of unsaturated hydrocarbons and halogens requires a high activation energy.  c)the double covalent bond within unsaturated hydrocarbons requires a lot of energy to break.  d)the double covalent bond within unsaturated hydrocarbons can be broken easily.is: a) when ethane reacts with fluorine gas the product is less stable.