4.How many atoms of silver are in 100 grams of silver?

Rutherford's experiment indicated that matter was not as uniform as it appears what part of his experimental results implied this idea

Calcium hydride (cah2) reacts with water to form hydrogen gas: cah2(s) + 2h2o(l) → ca(oh)2(aq) + 2h2(g) how many grams of cah2 are needed to generate 45.0 l of h2 gas at a pressure of 0.995 atm and a temperature of 32 °c?

What is the most stable monatomic ion formed from nitrogen