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9. Which of the following is the vertical column in the periodic table?
A. Atomic Number B. Elements
C. Group
D. Period
10. Which of the following element has an atomic weight of 98?
A Sr
В. Тc
C. Zn
D. ZI​


Sagot :

Answer:

A

BECAUSE The world of science

Answer:

9.C

10.B

Explanation:

Sna makatulong Txn