29. Which shows the order of decreasing electronegativity? a. Na, Mg, Al, Si
b. Ga, Ge, As, Se
c. Be, Mg, Ca, Sr
d. I, Se, P, C

Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? a. magnesium has a 2- oxidation number and chlorine has a 1+ oxidation number. b. magnesium has a 2- oxidation number and chlorine has a 2+ oxidation number. c. magnesium has a 2+ oxidation number and chlorine has a 1- oxidation number. d. magnesium has a 1+ oxidation number and chlorine has a 1- oxidation number.

Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass

Type the letter that represents the correct location for each particle type below.