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3 votes
1 part, I don’t know if it right

1 part, I don’t know if it right-example-1

2 Answers

4 votes

Answer:

Step-by-step explanation:

answered
User Darren Oster
by
7.8k points
6 votes

Answer:

atomic number = 5

element is Boron

mass number = 9

Isotope name = Boron-9

Step-by-step explanation:

answered
User Agross
by
7.4k points

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