6.1
6.2
6.3
6.4
6.5
100

____: the study of what substance are made of and how one can change into another

Chemistry

100

____: the tiny particles by which all matter is composed

atoms

100

____: composed of 1 type of atom

element

100

____: has 1 proton and 1 electron

hydrogen 

100

____: 2 or more atoms, bound together

molecule

200

____: anything that takes up a space and has a mass

matter

200

____: the core of an atom

nucleus 

200

____: made up of bonded atoms

compound 

200

____: the most abundant element on earth

oxygen

200

____: compound made of molecules

molecular compound

300

____: the measure of a pull of gravity on an object

Gravity

300

____: tiny particles that swarm around the core of an atom

electrons

300

____: only metal that's liquid at room temp.

mercury 

300

____: heated iodine that turns into gas

sublime

300

____: hardest of all known substances 

diamond

400

____: the amount of matter an object has

mass

400

____, ____:make up the nucleus

protons and neutrons

400

____: building block of all compounds

carbon

400

____: used as a germ killing agent

chlorine

400

____: the densest of everyday metals

lead

500

____: a metric unit of measurement

gram/ kilogram

500

____: the number of protons an atom has

atomic number

500

____: makes up stainless steel

nickel

500

____: formed by electrons zooming around the nucleus

electron cloud

500

____: used to make computer chips

silicon