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Electronic Configuration of Elements in Periodic Table

Classification of Elements and Periodicity in Properties
Chemistry
Class 11

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Electronic Configuration in Periods and Groups

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Electronic Configurations and Characteristics of s, p, d, f Blocks

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Related questions

General electronic configuration of outermost and penultimate shell is . If , then the number of protons in the nucleus will be:

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1 is the electron configuration of:

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What is the most common oxidation state of alkaline earth metals ?

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(a) What are the following groups known as?
(i) Group  
(ii) Name two elements of the group. 

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Equal lengths of magnesium ribbons are taken in two test-tubes and . Hydrochloric acid is added to test-tube and acetic acid is added to test-tube .
In which test-tube, the reaction will be more vigorous ? Why ?

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Electronic configuration of same elements are given. Write answers to the following questions.
i.
ii.
iii.
iv.
Which is the non-metal?

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In which block of modern periodic table, the inner-transition elements are included?

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How many electrons will be required by oxygen atom to achieve electronic configuration like that of neon?

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State the electronic configuration for Nitrogen [p=7, n=7].

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Write the electronic configurations of the elements with the atomic numbers , and

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