Which determines the reactivity of an alkali metal? its boiling and melting points

the shininess of its surface

the number of protons it has

its ability to lose electrons
HURRY IM ON A TIME LIMIT

No 1 very mooch

1) the mayans built pyramids just like the egyptians. the mayans also used hieroglyphics like them.2) power was passed down by family. for example, if the father dies, the son would be the next king.3)they both built pyramids for their structures.4)the main crop for the mayans was maize.5)they also grew manioc, beans,  squash,  amaranth, and chile peppers.

That's false, when you're born your skull has not fused together yet.