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Science Questions
FINAL
Question | Answer |
---|---|
compounds | a substance containing atoms of two or more different elements chemically bonded together |
coefficients | a number placed in front of an element symbol or chemical formula in an equation |
electron dot diagram | a model that represents valence electrons in an atom as dots around the element's chemical symbol |
activation energy | the minimum amount of energy needed to start a chemical reaction |
periods | |
reactants | |
covalent bond | |
ionic bond | \ |
bonding |