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V 3: Ch. 3 vocab

Science vocab

Vocab wordAnswer
Atom small particle that makes up most types of matter.
Law of Conservation of Matter Which says matter is not created or destroyed-- only changes form.
Electrons negatively(-) charged particles
Nucleus Central part of the atom
Protons positively(+)charged particles in the nucleus
Neutrons uncharged particles
Element matter made of only 1 kind of matter
Atomic # the TOP # (ex. Chlorine 78 <-----
Isotopes atoms of the same element that have different #'s of neutrons.
Mass # is the # of protons + the # of neutrons in contains
Atomic mass weighted average mass of the isotopes of an element.
Metals have a shiny or metallic luster & good conductors of heat and electricity.
Non-metals elements that are usually dull. Most poor conductors of heat & electricity. Many are gases except for bromine which is a liquid.
Mettalloids elements that have characteristics of metals & non-metals. Solids,shiny, & not the best conductors.
Substance matter that has the same composion & properties throughout.
Compound substance whose smallest unit is made up of atoms that bounds together
Mixture when 2 or more substances come together
Created by: agriffin123