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Free download in PDF Periodic Table Objective Type Questions & Answers for competitive exams. These short objective type questions with answers are very important for competitive exams like IIT, JEE, NEET, AIIMS, JIPMER etc.
(21)
How many periods are present in the modern periodic table?
(22)
Which of the following element(s) are/is new in the periodic table?
[A]
Nihonium (Nh, 113) and Moscovium (Mc, 115)
[B]
Tennessine (Ts, 117) and Oganesson (Og, 118)
[C]
Both (A) and (B)
[D]
None of the above
(23)
In group from top to bottom electron affinity
[A]
increases
[B]
decreases
[C]
remain same
[D]
fluctuate
(24)
Terbium (Tb) atomic mass of 159 belongs to block
(25)
Russian chemist Dmitri Mendeleev in 1869 devised
[A]
The periodic Table
[B]
Force of gravity
[C]
Law of thermodynamic
[D]
structure of electron
Answer: The periodic Table
(26)
Values of group IIA, VA and VII in every period is
[A]
High
[B]
Low
[C]
Change
[D]
Neutral
(27)
For yet undiscovered elements Periodic table has
[A]
Columns
[B]
Groups
[C]
Rows
[D]
Gaps
(28)
Element which perfectly matched qualities which Mendeleev predicted in his Periodic table was
[A]
silicon
[B]
geranium
[C]
radium
[D]
radon
(29)
Which one is known as the father of periodic table?
[A]
Mendeleev
[B]
Lavoisier
[C]
Neil Bohr
[D]
Rutherford
(30)
How many groups are present in the modern periodic table?
[A]
18
[B]
17
[C]
16
[D]
15
31
Which element has the atomic number 8?
[A]
Helium
[B]
Oxygen
[C]
Nitrogen
[D]
Lithium
32
The vertical rows in a periodic table are called
[A]
Noble Gases
[B]
Alkali Metals
[C]
Periods
[D]
Groups
33
The elements in group zero are called—
[A]
Inert gases
[B]
Transition metals
[C]
Alkali metals
[D]
None of the above
34
The vertical lines in the modern periodic table are called—
[A]
Non-metal
[B]
Group
[C]
Period
[D]
None of the above
35
Recurrence of same pattern in periodic table is called its
[A]
periodicity
[B]
regular pattern
[C]
intervals
[D]
retermisation
36
In period from left to right electron affinity of elements
[A]
increases
[B]
decreases
[C]
fluctuates
[D]
releases
37
Magnesium has an atomic number of
[A]
16
[B]
24
[C]
12
[D]
10
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