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science chp. 3 sec.1

p.science-chp.3-sec1

TermDefinition
Matter anything that has mass and takes up space anything we can see, touch, taste, or smell
Atom a very small particle that makes up most kinds of matter 1st named by Greek philosopher, Democritus
Law of Conversion of Matter matter is NOT created or destroyed, it only changes form
Electrons e- negatively charged particles
Nucleus positively charged, part of the atom
Protons p+ positively charged particles in the nucleus
Neutrons n* uncharged particles in the nucleus
Electron Cloud shows where electrons are likely to be
Quarks tiny particles making up protons and neutrons up & down/top & bottom/strange & charm
Created by: kkrahulik