Question

Element P belongs to group 2 of modern periodic table and elemet Q belongs to group 17

of modern periodic table. Write the formula of:

(i) the compound formed by element P and Q.

(ii) the oxide of element P.

(iii) the chloride of element P.​

Answer 1

Answer:

Group 1 Group 2

a) One electron in the valence shell Two electrons in the valence shell

b) Larger atomic size compared to Group 2 Smaller atomic size compared to Group 1

c) More metallic in nature Comparatively less metallic

d) Highly electropositive, readily loses electron Comparatively less electropositive

e) Oxide formula: X

2

O Oxide formula: XO

f) Chloride formula: XCl Chloride formula: XCl

2

Answer 2

Answer:

Group 1 Group 2a) One electron in the valence shellTwo electrons in the valence shell b) Larger atomic size compared to Group 2Smaller atomic size compared to Group 1c) More metallic in natureComparatively less metallic d) Highly electropositive, readily loses electronComparatively less electropositive e) Oxide formula: X2OOxide formula: XOf) Chloride formula: XClChloride formula: XCl2

Explanation:

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