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Q12: The number of formula units in a
Q14: The energy that reaches the earth in
Q17: A molecule that does not contain a
Q31: The atomic number of a nucleus decreases
Q41: The fact that no two electrons in
Q42: You are looking at the bottom of
Q47: Abby works at the front desk of
Q51: If Jupiter had more than about 80
Q53: The layer of soft rock under the
Q83: The five areas that account for the