Refer to the periodic table entry below to answer the following question.

asked Sep 3, 2024 146k views

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5 votes

Answer:

The last choice

Step-by-step explanation:

Atomic numbers are found on the top left, and the number below is the molar mass.

Audrea answered Sep 6, 2024

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3 votes

Answer:

The atomic Number is 42 and it has 18 electrons in the n=3shell

Step-by-step explanation:

KSib answered Sep 9, 2024

by KSib

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