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How many neutrons are in an element with an atomic number of 9 and a mass number of 19? 9 10 18 19
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34 votes
34 votes
How many neutrons are in an element with an atomic number of 9 and a mass number of 19?

9

10

18

19

How many neutrons are in an element with an atomic number of 9 and a mass number of-example-1
User Darshit Gajjar
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2 Answers

23 votes
23 votes

Answer:

10 is correct answer.

good

User Acm
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2.9k points
11 votes
11 votes

Answer:

10 neutrons

Step-by-step explanation:

This isotope of fluorine has 9 protons, 9 electrons, and 10 neutrons

User Pablogupi
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3.5k points
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