Which is the configuration of an atom in the ground state? A)
2-8-2
B)
2-6-1
C)
2-7-2
D)
2-7-3

What is the molality of a solution that has 4 mol of kci in 0.800 kg of water

Evaluate this exponential expression,8. (2 + 3)2 – 42

In the particles are arranged in a regular, repeating pattern. a)a crystalline liquid b)a crystalline solid c)all gases d)all solids