Atoms with low ionization energy tightly hold their electrons true or false

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)

What four properties do all waves have in common

Magnesium is the limiting reactant in this experiment. calculate the theoretical yield of mgo for each trial. trial 1: trial 2: data mass of empty crucible with lid trial 1: 26.688 trial 2: 26.681 mass of mg metal, crucible, and lid trial 1: 26.994 trial: 2 26.985 mass of mgo, crucible, and lid trial 1: 27.188 trial 2: 27.180