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Chemistry

Across
bond between nonmetals where the atoms share electrons
______NUMBER = p+N
The 6 main elements that make up all living things
a subatomic particle that has no charge and that is found in the nucleus of an atom
_________ TABLE, ORGANIZES ALL KNOWN ELEMENTS
bond between a metal and a nonmetal where opposite charges hold the ions together
_________ NUMBER = NUMBER OF PROTONS
A subatomic particle that has a positive charge
Down
OUTSIDE OF THE ATOM, BONDS WITH OTHER ATOMS
OUTERMOST ELECTRONS
Elements that are in the same column of the periodic table, having the same number of valence electrons and therefore similar chemical properties.
ELEMENTS ON THE LEFT SIDE OF THE PERIODIC TABLE THAT BECOME POSITIVE IONS
ATOM THAT TAKES ON A CHARGE
Elements that gain electrons to form negative ions; found on the right side of the periodic table
A physical combination of two or more substances that keep their original properties (not chemically combined)