How can you describe the location of magnesium (mg, atomic number 12) on the periodic table.(a) nonmetal(b) metalloid(c) group 2, period 3(d) group 3, period 2

Magnesium is from Group 2 and Period 3..

So, Answer will be (C)

Spontaneity tell us the direction of the reaction, but not how fast it goes. gibbs free energy brings together enthalpy, entropy and temperature in one easy formula. g = h - ts. and, finally the sign of delta g is always negative for a spontaneous reaction.