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miss Akunina [59]
3 years ago
9

Which element has an atomic number of 9 and an atomic mass of 19?

Physics
2 answers:
MA_775_DIABLO [31]3 years ago
6 0
I honestly don’t know but i have to answer something just kidding it’s c
yan [13]3 years ago
3 0

Answer:

fluorine

Explanation:

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Which is a possible disadvantage of using flowing water to produce electricity?
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