The atomic number of f plus the atomic number of Na equals the atomic number of this element

asked Jan 8, 2022 205k views

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5 votes

Answer:

Atomic no. of Fluorine =9

Atomic no. of Na=11

Therefore,

Atomic no. of x element=9+11=20

Therefore

,Element=Calcium

David Boddie answered Jan 12, 2022

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