A portable hydrogen generator utilizes the reaction CaH_2 + H_2O ? Ca(OH)_2 + H_2

How many grams of H_2 can be produced by a 70 g cartridge of CaH_2?

Identify one disadvantage to each of the following models of electron configuration: dot structures arrow and line diagrams written electron configurations type in your answer below.

100 points answer quick the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland