Chemistry, asked by satyapada71gmailcom, 8 months ago

Which of the following is not a perfect match of their atomic mass? *
1 point
B-10
He-4
Be-9
Li-8
7. Which of the following is a pair of noble gas ? *
1 point
O ,N
F , Cl
B,Be
He, Ne

Answers

Answered by dp000

0

Answer:

hii

how are you

Explanation:

tell you later

Answered by LaeeqAhmed

0

Answer:

6)

Li(Lithium)

7)

He,Ne.

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