I guess the the alignments of the atoms in the magnet are being demagnetized when it's dropped
Answer:
The reactivity of metal is determined by the reactivity series. ... The metal which easily displaced aluminium will lie above in the series but that same element cannot displace sodium, so it will lie below in the series. Hence, from the series, we conclude that the unknown metal could be calcium or magnesium.
Explanation:
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Answer: well the answer is a
Explanation: how because I did that
C is your answer. Because if you add two of them together you get a compound.