HALP HALP HALP Arrange the following groups of atoms in order of increasing size.

a. Te, S, Se

b. K, Br, Ni

c. Ba, Si, F

d. Rb, Na, Be

e. Sr, Se, Ne

f. Fe, P, O

What is one real world example of a colligative property?

How does the value of the equilibrium constant show that a reaction reaches equilibrium very quickly? (a) the equilibrium constant is large. (b) the equilibrium constant is small. (c) the equilibrium constant is zero. (d) the value of the equilibrium constant does not show how quickly a reaction comes to equilibrium.

Assume that 13.5 g solid aluminum (al) react with hcl to produce solid aluminum chloride (alcl3) salt and gaseous hydrogen (h2) at standard temperature and pressure.