what would be the attractive force on the single electron if five protons were in the nucleus of an atom

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?

Which element would mostly likely have an electron affinity measuring closest to zero

Which substance can be broken down by chemical means