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Pile Management Card
Science

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electrons that have 8 valence elctrons are considered to be:
stable
if the atom has more protns it will have a ________
+
if an atom has more electrons it will have a ______________ charge.
-
an ion is an atom with ------ OR ------
negative or postive charge
the atomic number is equal to the number of ______ Or _____
protons
electrons
the second energy level can hold _____.
8
neutrons are ______ Charged particles
negitivly
protons are ____ charged particles
positivly
atom
smallest part of an element
ion
when an atom has a positive or negative charge
atomic mass
equals the number of protons and neutrons
atomic number
equals the number of protons or electrons
element
a pre substance made of only 1 kind of atom
compound
a stubstance made of more than one atom that is chemically bonded together
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