Atom Bonding

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In O = C = O, carbon attains a stable octet by sharing:

The electron configuration of the phosphorous atom P: row 3 Group V

The type of bond between Na (Z=11, A=23) O (Z=8, A=16) is:

The number of neutral particles in aluminum Al(Z=13 , A=27) is:

In PCl3 the type of bond is: P(Z=15) , Cl(Z=7)

The valence of nitrogen ( Z=7) is:

The Lewis electron dot symbol of the Hydrogen atom in H-H is:

The electron configuration of calcium ion is K2 L8 M8. The number of electrons in the calcium atom is equal to: