On the basis of periodic trends, choose the larger atom in each pair (if possibl

Question

On the basis of periodic trends, choose the larger atom in each pair (if possible).

1) Ga or As

a) Ga b) As c) It is impossible to determine based on periodic trends alone

2) C or P

a) C b) P c) It is impossible to determine based on periodic trends alone

3) Cu or Au

a) Cu b) Au c) It is impossible to determine based on periodic trends alone

4) F or Se

a) F b) Se c) It is impossible to determine based on periodic trends alone

a) C b) P c) It is impossible to determine based on periodic trends alone

3) Cu or Au

a) Cu b) Au c) It is impossible to determine based on periodic trends alone

Explanation / Answer

1) Ga or As     

B             N

Al            P

Ga           As

Ga and As are 4th period elements . in a period left to right atomic radius decreases.

a.Ga is more size or large atom

2) C or P

b. P is large atom

3. Cu or Au

b. Au is large atom

4. b.Se is large atom

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