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Electronic Configuration of d-Block Elements

The atomic nu...

Question

The atomic number of element with electronic configuration: ${1 s}^{2} {2 s}^{2} {2 p}^{3}$ is:

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Solution

Total number of electron it have ${1 s}^{2} {2 s}^{2} {2 p}^{3} = 2 + 2 + 3 = 7$
So, its atomic number is 7.

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Q. Magnesium reacts with an element (X) to form an ionic compound. If the ground state electronic configuration of (X) is

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

, the simplest formula for this compound is:

Q. Name the elements with the following electronic configuration.

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

Q. Paragraph for below question
नीचे दिए गए प्रश्न के लिए अनुच्छेद

Elements with their electronic configuration are given :

नीचे तत्व तथा उनके इलेक्ट्रॉनीय विन्यास दिए गए हैं :

P : 1s², 2s²

Q : 1s², 2s², 2p⁵

R : 1s², 2s², 2p³

S : 1s², 2s², 2p⁴

Then answer the following question.

तब निम्नलिखित प्रश्न का उत्तर दीजिए।

Q. The element which is having highest value of EA₁ is

प्रश्न - EA₁ के उच्चतम मान वाला तत्व है

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Q. If the nitrogen atom had electronic configuration

{1 s}^{7}

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is not observed because it violates

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