	Java Games: Flashcards, matching, concentration, and word search.

chapter 2 science

Tools

A	B
atom	tiny particles
atomic number	# of protons
compound	more than 1 type of atom
density	thickness, mass/volume
electron	negative charged, orbits
element	one type of atom, periodic table
heterogeneous mixture	different atoms, "salad"
homogeneous mixture	atoms blended as one, solution
solution	salt water, homogeneous
ion	electrically charged
isotope	different # of neutrons
mass number	protons + neutrons
matter	takes up space
mixture	2 more substances not combined
molecule	atom by convalent bonds
neutron	no electric charge
proton	positive electric charge

This activity was created by a Quia Web subscriber. Learn more about Quia
	Create your own activities