The maximum number of electrons that can be accommodated in the valence shell of an atom is -
(A) 5
(B) 6
(C) 7
(D) 8
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An atom of nitrogen has _______ electrons in its L shell. (A) three (B) four (C) five (D) six
The correct answer is (C) five
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It is because of inability of ns^2 electrons of the valence shell to participate in bonding that :
(4) Inertness of ns2 electrons of the valence shell to participate in bonding on moving down the group in heavier p-block elements is called inert pair effect. As a result, Pb(II)...
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Noble gases do not react with other elements because (a) they have completely filled valence shell (ns^2np^6)
(a) they have completely filled valence shell (ns2np6)
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What is the maximum number of electrons that can be accommodated in an atom in which the highest principal quantum number is 4?
1s2 ,2s2 ,2p6 ,3s2 ,3p6 ,4s2 ,3d10,4p6 = 36 electrons can accommodated.
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The number of electrons in the valence shell is equal to its ________.
Option 2
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The number of electrons in the valence shell is equal to its ________.
1 Answers
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The formula that gives the maximum number of electrons in a particular shell is -
(B) the maximum number of electrons in a particular shell is 2n2.
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The maximum number of electrons is N shell is -
(D) The maximum number of electrons is N shell is 32.
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In an atom there are four orbits, the maximum number of electrons in this atom will be -
(B) The maximum number of electrons is 36.
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The elements ,4Be, 12Mg and 20Ca each having two valence electrons in their valence shells are in periods 2,3 and 4 respectively
(i) They all belong to group 2 because of all three have 2 electrons in their outermost shelll. (ii) Be is least reactive because it has 2 shells and due to,...
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