periodic classification

1.) The period in which only single block elements are present by definition
A)	6
B)	2
C)	3
D)	1
2.) The 4f-subshell is successively filled for
A)	Rare earths
B)	Rare gases
C)	Transition metals
D)	Alkaline earth metals
3.) Which of the following has the largest atomic radius
A)	AI
B)	oC’>Silicon carbide heated to 1500oC
C)	CI
D)	Na
4.) The atomic number of the element which is not included in the main body of the period table
A)	43
B)	57
C)	68
D)	80
5.) Largest atom among the following is
A)	F
B)	Br
C)	I
D)	I
6.) The general electronic configuration of elements of carbon family
A)	2 np4‘>ns2 np4
B)	2 np3‘>ns2 np3
C)	2 np1‘>ns2 np1
D)	2 np2‘>ns2 np2
7.) Which of the following has both members from the same group of the periodic table
A)	Mg, Cs
B)	Mg, Sr
C)	Mg, Ci
D)	Na, Ci
8.) Inert gas element which has a different valence shell configuaration
A)	Xe
B)	Ne
C)	Kr
D)	He
9.) The period in which s-block, p-block and d-block elements are presents
A)	1
B)	6
C)	7
D)	3
10.) Atoms of the following group possess the highest ionisation energies
A)	IA
B)	IIA
C)	VA
D)	Zero
11.) Which of the following is not a periodic property
A)	Valency
B)	Specific heat
C)	Lonisation portential
D)	Atomic size
12.) Set of continuous atomic numbers of the elements present in the same group as well as same period
A)	3, 11, 19
B)	60, 61, 62
C)	30, 31, 32
D)	88, 89, 90
13.) In the periodic table, the elements are arranged in the periods following the
A)	Hand’s rule of maximum multiplicity
B)	Pauli’s exclusion principle
C)	Aufbau principle
D)	Both (1) and (2)
14.) Metal used as catalyst in the hydrogenation of vegetable oils
A)	Iron
B)	Molybdenum
C)	Nickel
D)	Sodium
15.) The most electropositiveelement is
A)	I
B)	Mg
C)	Cs
D)	Li
16.) Atomic numbers of actinides
A)	57 to 71
B)	80 to 103
C)	58 to 71
D)	90 to 103
17.) Mendeleef’s periodic law is based on
A)	Atomic weight
B)	Atomic number
C)	Number of neutrons
D)	Specific heat
18.) Eka silicon is now known as
A)	Scandium
B)	Gallium
C)	Germanium
D)	Boron
19.) Which of the following is an alloy of non- transition elements
A)	Elektron
B)	Brass
C)	Bronze
D)	German silver
20.) The number of elements present in 2nd, 3rd, 4th, and 5th periods of modern periodic table respectively are
A)	2,8,8&18
B)	8,8,18&32
C)	8,8,18&18
D)	8,18,18&32
21.) Which of the following is an element present in the d-block, but not a transition element
A)	Cd
B)	Cu
C)	Ca
D)	None of these
22.) The following ion is colourless in aqueous solution
A)	2+‘>Ca2+
B)	3+‘>Sc3+
C)	2+‘>Zn2+
D)	All the above
23.) Atoms of the following group possess the lowest ionisation energies
A)	IA
B)	IIA
C)	VA
D)	Zero
24.) In the periodic table transition elements begin with
A)	Scandium
B)	Zinc
C)	Copper
D)	Mercury
25.) The longest and shortest periods are
A)	1 & 6
B)	2 & 6
C)	6 & 1
D)	1 & 7