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Question

Draw the geometrical atomic structure representing the electronic configuration of atoms of elements of :
1. Period-2
(i) group 14 [IVA] — carbon [at no. 6]
(ii) group 15 [VA] — nitrogen [at. no. 7]
(iii) group 16 [VI A] — oxygen [at no. 8]
2. Period-3
(i) group 1[IA] — sodium [at no. 11]
(ii) group 2[IIA] — magnesium [at. no. 12]
(iii) group 17[VIIA]— chlorine [at. no. 17]
3. Period-4
group 2[IIA] — calcium [at. no. 20].

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Answer

Period-2

(i) Group 14 [IV A] — Carbon[at no. 6]

Carbon Atomic Structure

(ii) Group 15 [VA] — Nitrogen [at. no. 7]

Nitrogen Atomic Structure

(iii) Group 16 [VI A] — Oxygen [at no. 8]

Oxygen Atomic Structure

Period-3

(i) Group 1[IA] — Sodium [at no. 11]

Sodium Atomic Structure

(ii) Group 2[IIA] — Magnesium [at. no. 12]

Magnesium-Atomic-Structure

(iii) Group 17[VIIA] — Chlorine [at. no. 17]

Chlorine Atomic Structure

Period-4

(i) group 2[IIA] — Calcium [at. no. 20].

Calcium Atomic Structure

💡 Some Related Questions

Flash Education Question and Answer Icon

Fill in the blanks with the correct word from the brackets:
(i) The bond between two elements in group 17[VIIA] of the periodic table is likely to be ____ [ionic/covalent].
(ii) In the reaction of Cl2 + 2KI ⟶ 2KCl + I2 the conversion of 2I to I2 is deemed as ____ [oxidation/reduction].
(iii) The covalent molecule containing three single covalent bonds is ____ [water/methane/ammonia].
(iv) The molecule of water combines with a ____ [hydrogen atom/proton/hydrogen molecule] to form a hydronium ion.
(v) For formation of an electrovalent bond between elements ‘X’ and ‘Y’ which are a metal and non-metal respectively, X should have a ____ [high/low] ionization potential and ‘Y’ a ____ [high/low] electron affinity.

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