Question

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Answer 1

Answer:

Number 8 is D. Transition Metals and Number 9 is C. Atomic number.

Explanation:

8. All the highlighted ones are the only ones that have metals in them. Think about it, The right side contains gases like oxygen, so it can'y be A or B.  Halogens are basically liquids like fluoride or chlorine.

9. Atomic Number would be 6

Atomic mass would be 12.0

And atomic symbol would be C.

Answer 2

Answer: 8- D

9- C

Explanation: always remember the number above is the atomic number