The presence of two electrons in the valence shell of an atom of an element is known as ____ configuration.

dual

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bis

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duplet

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Solution

The correct option is D duplet
The presence of two electrons in the valence shell of an atom of an element is known as duplet configuration.

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Similar questions

Which element has

(a) two shells, both of which are completely filled with electrons?

(b) the electronic configuration 2, 8, 2?

(d) a total of two shells, with three electrons in its valence shell?

(e) twice as many electrons in its second shell as in its first shell?

1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{4}

H_{2} X

3 s^{2} 3 p^{4}

8

6 s^{2}

(a) What are valence electrons? Where are valence electrons situated in an atom ?

(b) What is the number of valence electrons in the atoms of an element having atomic number 13 ? Name the valence shell of this atom.

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