What happens when magnesium reacts with iodine to make magnesium iodide

What are the variables in gay-lussac’s law? pressure and volume pressure, temperature, and volume pressure and temperature volume, temperature, and moles of gas

Ahydrogen atom has 1 electron. how many bonds can hydrogen form? a) 1 b) 2 c) 3 d) 4 e) 5

Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both