1)For each of the following groups, place the atoms and/or ions inorder of decre

Question

1)For each of the following groups, place the atoms and/or ions inorder of decreasing size. (a) V, V5+, V3+,V+ (b) F -, N3-,Mg2+, Na+ (c) Cl -, Sc3+, Ca2+,P3- (d) I -, Te2-, La3+,Cs+ (e) Cl -, I -, Br -, F- (a) V, V5+, V3+,V+ (b) F -, N3-,Mg2+, Na+ (c) Cl -, Sc3+, Ca2+,P3- (d) I -, Te2-, La3+,Cs+ (e) Cl -, I -, Br -, F- (c) Cl -, Sc3+, Ca2+,P3- (d) I -, Te2-, La3+,Cs+ (e) Cl -, I -, Br -, F-

Explanation / Answer

Rules: Cations are smaller than the original; anions are largerthan the original. a. V > V+ > V3+ > V5+ b. N3- > F- > Na+ > Mg2+ c. P3- > Cl- > Ca2+ > Sc3+ d. Te2- > I- > Cs+ > La3+ Rule: Atomic radius increases down a group e. I- > Br- > Cl- > F-

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