Write an activity to show the change in state and change in temperature during a chemical reaction(change)

Which reason best explains why metals are malleable? a)because they have delocalized electrons b)because they have localized electrons c)because they have ionic bonds d)because they have rigid bonds

How many atomic mass units are equal to 1.672×10−24 g of protons?

Chris is about to do an experiment to measure the density of water at several temperatures. his teacher has him prepare and sign a safety contract before beginning the experiment. which term is mostlikely part of the safety contract