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2.1-2.2 Vocab

Homogeneous A mixture that is evenly mixed
Proton Positively charged particle in an atom
Neutron The neutral charged particle in an atom
Nucleus The center of an atom
Matter Anything that has a mass and a volume
Substance Matter with a composition that is always the same
Atom Basic unit of matter
Heterogeneous A mixture that is not evenly mixed
Element A substance made of only one kind of atom
Ion An atom that has been charged because it has gained or lost electrons
Isotope An atom with a different number of neutrons
Electron The negatively charged particle in an atom
Created by: schopvic2707