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There are electrons in the outermost shell of group 15 elements.

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Important Questions on The p-Block Elements

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Match List-I with Match List-II

  List-I
(Metal)
  List-II
(Application)
(A) Cs (I) High temperature thermometer
(B) Ga (II) Water repellent sprays
(C) B (III) Photoelectric cells
(D) Si (V) Bullet proof vest

Choose the most appropriate answer from the options given below

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Which of the following is not a d-block element?
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Which of the following statement is incorrect?
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Aluminium is usually found in +3 oxidation state. In contrast, thallium exists in +1 and +3 oxidation states. This is due to:
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It is because of the inability of ns2 electrons of the valence shell to participate in bonding that
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Why are the elements of Group 18 known as noble gases?
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How many five-membered and six-membered rings are present in a buckmisterfullerene C60?
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The oxide, which is neither acidic nor basic is
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The bond length of Br-Br in Br2 molecule is equal to
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The noble gas that does not occur in the atmosphere is;
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Which element is not considered as 'chalcogen'?
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The elements with atomic numbers 9, 17, 35, 53, 85 are all :
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The following are some statements about noble gases.

I. They are between halogens and I A group.

II. Except Rn, all the remaining are present in air.

III. These elements belong to the 17th group in the modern periodic table.
EASY
Which elements are considered as 'Chalcogens'?
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The valence shell electronic structure of an element is ns2np5. The element will belong to the group of :-