AP POLYCET
Section — C
CHEMISTRY

91) Which of the following are called lanthanoids

A) s-block elements
B) p-block elements
C) d-block elements
D) f-block elements

92) How many elements are present in 3rd period of the modern periodic table

A) 32
B) 8
C) 18
D) 2

93) The valency of an element belonging to VA group of the modern periodic table is

A) 5
B) 3
C) 7
D) 1

94) Ionic bond is formed due to which of the following

A) (1) transfer of electrons from one atom to another atom
B) (2) electrostatic attraction between two oppositely charged ions
C) sharing of electrons between two atoms
D) both (1) and (2)

95) Which of the following is a noble gas

A) F₂
B) Cl₂
C) I₂
D) Ar