3. (01.04 LC) Density is an intensive physical property because the density of a given substance does not change with the size of the sample. (2 points)
True
False

Classify this reaction: 2al+n2-> aln.

How many moles of oxygen react with 12 moles of aluminum

Match the term to its description match term definition chemical energy a) internal energy caused by vibrations of atoms and molecules electrical energy b) electromagnetic energy that travels in waves radiant energy c) the movement of an electrical charge thermal energy d) potential energy stored in the bonds between atoms