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

A.boron
B.carbon
C.sulfur
D.fluorine

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User Noeline
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2 Answers

4 votes
i honestly don’t know but i have to answer something just kidding it’s c
answered
User Cybrix
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6 votes

Answer:

fluorine

Step-by-step explanation:

answered
User Paul Geisler
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