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What is the chemical formula of magnesium bromide? a. mgbr2 b. mgbr c. mg2br2 d. mg2br
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Select the statement that describe chemical properties a. antacid tablets neutralize stomach acid b. helium is the lightest monatomic element c. water freezes at 0 celsius d. mercury is liquid at room temperature
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Write balanced nuclear equations for the formation of five elements whose atomic number is between helium (2) and iron (26):
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Does neutrons have a orbit outside the atom...
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