422-002+week+2+class+notes

Element-smallest unique type of matter we can study Atom- smallest part of matter 3CuCl2+2Al-->2AlCl3+3Cu two elements- compound products- gets formed Reactants- mixing together

Sentence of Equation: Copper Chloride and(+) aluminum(metal(more descriptive-knows what form it takes)) react(combine)(change) to make(produce)(create)(result in) aluminum chloride and copper(metal)

Chemical Change- matter changes properties or becomes a different substance.

Physical Change- liquid to gas, solid to liquid, solid to gas (phase changes), length, form, shape, temperature def- the chemical stays the same, but the properties change

Intensive- does not change with the amount of matter(boiling point)(density)

Extensive- does change with the amount of matter(mass)(volume)