What is the atomic no. and symbol of elements whose outermost electrons are represented as - $2 p^{2}$ ?

_{7} N

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_{4} Be

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_{5} B

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_{6} C

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Solution

The correct option is D $_{6} C$
The atomic no. and symbol of elements whose outermost electrons are represented as $2 p^{2}$ are $_{6} C$ .
The element is carbon and its complete electronic configuration will be $1 s^{2} 2 s^{2} 2 p^{2}$ .
The atomic number will be $2 + 2 + 2 = 6$ .

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Write the electronic configurations of the following ions:
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Write the distribution of electrons in an atom of an element whose atomic number is 18. What is special about the outermost electron shell (or valence shell) of the atom of this element?

Q. Write the distribution of electrons in an atom of element whose atomic number is 18. What is special about the outermost electron shell (or valence shell) of the atom of this element?

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What is the atomic no. and symbol of elements whose outermost electrons are represented as - 2p2?

The correct option is D 6CThe atomic no. and symbol of elements whose outermost electrons are represented as 2p2 are 6C. The element is carbon and its complete electronic configuration will be 1s22s22p2.The atomic number will be 2+2+2=6.

What is the atomic no. and symbol of elements whose outermost electrons are represented as - $2 p^{2}$ ?

The correct option is D $_{6} C$
The atomic no. and symbol of elements whose outermost electrons are represented as $2 p^{2}$ are $_{6} C$ .
The element is carbon and its complete electronic configuration will be $1 s^{2} 2 s^{2} 2 p^{2}$ .
The atomic number will be $2 + 2 + 2 = 6$ .