MODERN PERIODIC TABLE QUESTIONS : PDF

MODERN PERIODIC TABLE QUESTIONS : PDF

MODERN PERIODIC TABLE: PDF

Welcome to General Science Section of KhuraPfati Ideas. Modern Periodic Table questions based on asked questions in previous exam papers very important for the Railway NTPC & Group-D.

HISTORY OF PERIODIC TABLE:



50 IMPORTANT MODERN PERIODIC TABLE QUESTIONS:

MODERN PERIODIC TABLE QUESTIONS : PDF
1) Mendeleev initially selected two elements to study the properties of the other elements named, as
a) H, He
b) H, O
c) H, C
d) C, O
2) In modern periodic table by Henry Moseley the elements were arranged in order of
a) There physical properties
b) Their chemical properties
c) Their mass number
d) Their atomic number


3) Total number of non-metals in modern periodic table
a) 18
b) 19
c) 20
d) 21
4) Total number of metals in modern periodc table
a) 90
b) 91
c) 92
d) 93
5) Total number of elements in Lanthanoides and actinoides together is?
a) 26
b) 28
c) 30
d) 32
6) Elements from atomic number 55 to 86 belongs to which period?
a) 4
b) 5
c) 6
d) 7
7) Elements from atomic number 37 to 54 belong to which period?
a) 4
b) 5
c) 6
d) 7
8) The element presence in 12group and 5th period?
a) Cesium
b) Cadmium
c) Calcium
d) Chromium
9) The element present in 11th group and 4th period?
a) Chromium
b) Calcium
c) Copper
d) Cesium
10) The element present in 1st group 7th period is?
a) Francium
b) Rubedium
c) Cesium
d) Potassium
11) Lanthanides belong to which block?
a) S – block
b) p – Block
c) d - Block
d) f – block
12) Lanthanium belong to which block?
a) S – block
b) p – Block
c) d - Block
d) f – block
13) Actanoids belongs to which block?
a) S – block
b) p – Block
c) d - block
d) f – block
14) Actinium belongs to which block?
a) S – block
b) p – Block
c) d - Block
d) f – block

15) Atomic number of mercury (Hg) is?
a) 80
b) 79
c) 82
d) 72
16) Atomic number of Gold (Au) is?
a) 80
b) 79
c) 82
d) 72
17) Element of atomic number 46 lies in which block?
a) S – block
b) p – block
c) d – block
d) f – block
18) Total how many elements are present in modern periodic table?
a) 115
b) 118
c) 112
d) 128
19) The first attempt to classify elements as triads was done by
a) Mendeleev
b) Mosley
c) Dobereiner
d) Newland
20) Total number of metalloid present in periodic table?
a) 6
b) 8
c) 7
d) 9
21) In Dobereiner’s triads which of the following element was placed with Calcium and Barium
a) Lithium
b) Strontium
c) Sodium
d) Potassium
22) Element of atomic number 86 belongs to which block?
a) S – block
b) P – block
c) d – block
d) F – block
23) In Dobereiner’s triads which of the following element was placed with Bromine and Iodine?
a) Calcium
b) Potassium
c) Chlorine
d) Sodium
24) The last metalloid in periodic table is?
a) Tellurium
b) Polonium
c) Arsenic
d) Silicon
25) Which of the following scientist arranged the elements on the basis of Octave theory?
a) Mendeleev
b) Mosley
c) Dobereiner
d) Newlands
26) The first metalloid of periodic table is?
a) Carbon
b) Silicon
c) Boron
d) Germanium
27) How many elements were assumed by Newland during the preparation of octave theory?
a) 56
b) 63
c) 86
d) 76
28) Atomic number of Uranium is?
a) 98
b) 96
c) 92
d) 94
29) The Last element in Newland’s law of octaves was?
a) Ce
b) La
c) Sr
d) Th
30) In Newland’s law of octaves which element resembles the some properties as Berillium and Magnesium ?
a) Calcium
b) Aluminium
c) Silicon
d) Potassium
31) How many elements were present in Mendeleev’s periodic table?
a) 56
b) 63
c) 86
d) 76
32) The unknown element named as ‘eka-aluminiun by Mendeleev, was named as what in modern periodic table
a) Germanium
b) Scandium
c) Gallium
d) Boron
33) Atomic number of thorium
a) 90
b) 92
c) 94
d) 96
34) The periodic table prepared by Mendeleev has VIII group and 6 Period, the last element of the table was?
a) Cs
b) Ba
c) Bi
d) U
35) Number of elements present in group 18 is?
a) 7
b) 8
c) 6
d) 9
36) Modern periodic table was prepared by-
a) Mendeleev
b) Mosley
c) Dobereiner
d) Newland
37) How many groups are present in Modern periodic table?
a) 8
b) 18
c) 10
d) 7
38) In modern periodic table Group number 13 is named as ?
a) C- Family
b) B - Family
c) N – Family
d) O – Family
39) Which of the following is not a metalloid?
a) Germanium
b) Arsenic
c) Antimony
d) Bismuth
40) Number of elements in group 13 are?
a) 5
b) 4
c) 6
d) 7
41) In modern periodic table Group number 16 is named as?
a) C- Family
b) B - Family
c) N – Family
d) O – Family
42) Molecular mass of Nickel is?
a) 35.45
b) 58.69
c) 23
d) 40
43) In modern period table Group 15 known as?
a) C- Family
b) B - Family
c) N – Family
d) O – Family
44) Number of element in group 4 are?
a) 5
b) 4
c) 6
d) 7
45) Heavy metals or transition metals are placed between group number-
a) 2 – 12
b) 3 – 12
c) 4 – 13
d) 3 – 13
46) The first metal of the periodic table
a) Hydrogen
b) Lithium
c) Helium
d) Berellium
47) With the reference to zig-zag line in periodic table which of the following statement is not correct
a) The Line has metalloid along with it
b) The division between metal and non metal
c) The line starts from group 13
d) The line ends up in period 7
48) Number of Actinoids in periodic table
a) 14
b) 4
c) 6
d) 7
49) In periodic table group 17 represent-
a) Alkali metal
b) non – metals
c) Noble gas
d) Halogens
50) Which among the following element is metal
a) Selenium
b) Bromine
c) Hofmaniun
d) Chlorine

MODERN PERIODIC TABLE: PDF FILE


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