103)The correct order of atomic sizes of K, Ca, Na, Cl is
A) K > Ca > Na > Cl
B) K < Ca < Na < Cl
C) Ca >,K > Cl > Na
D) Na > Cl > K > Ca
View Answer
A) K > Ca > Na > Cl
104)Generally metallic character in period from left to right
A) increases
B) decreases
C) is equal for all elements
D) none
View Answer
B) decreases
105)Generally the chemical bond formed between IA and VIIA group elements is
A) electrovalent bond
B) covalent bond
C) metallic bond
D) dative bond
View Answer
A) electrovalent bond
106)The element with highest electronegativity belongs to
A) 3rd period and 17th group
B) 2nd period and 17th group
C) 2nd period and 16th group
D) 2nd period and 18th group
View Answer
B) 2nd period and 17th group
107)According to VSEPR theory, the shape of molecule with two bond pairs in two covalent bonds around the nucleus of the central atom with two lone pairs in the valence shell is
A) V shape
B) trigonal planar
C) tetrahedral
D) linear
View Answer
A) V shape
108)Which one of the following is not a polar molecule?
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