Which of the following represents the electronic structure of three elements in the periodic table

Chemistry

1 answer:

FrozenT [24]3 years ago

3 0

Answer:

Explanation:

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Assuming the metals lose all their valence electrons and the nonmetals gain electrons to complete the s-p subshells, which listi

Nataly [62]

Answer: Option (c) is the correct answer.

Explanation:

Atomic number of sodium is 11 and its electronic configuration is $1s^{2}2s^{2}2p^{6}3s^{1}$ . When sodium loses one electron then it will attain +1 charge and its electronic configuration will be as follows.

$Na^{+}$ : $1s^{2}2s^{2}2p^{6}$

Atomic number of fluorine is 9 and its electronic configuration is $1s^{2}2s^{2}2p^{5}$ . When fluorine gains an electron then it acquires -1 charge and its electronic configuration is as follows.

$F^{-}$ : $1s^{2}2s^{2}2p^{6}$

Atomic number of aluminium is 13 and its electronic configuration is $1s^{2}2s^{2}2p^{6}3s^{2}3p^{1}$ . When aluminium loses its valence electrons then it acquires +3 charge and its electronic configuration is as follows.