Question

which property while be the same for two elements lying in the same group?
a. the charge on their ionic b. their electropositivity. c. their atomic size d.theit number of proton
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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 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