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Week 4 Vocabulary

Across
NaClO
NaHCO3
HC2H3O2
HCl
group of 2 or more atoms held together by chemical bonds Can contain more than one type of atom or multiple of one type
02
C12H22O11
Down
group of chemical symbols that shows the number of atoms of each element in a molecule
H20
NaCl
NH3
C02
matter made up of two or more substances that are physically combined, substances keep individual properties
2 or more different elements chemically combine in the same proportion