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91
Group of modern periodic table. . . . . . . in, an element with electronic configuration of 2, 8, 6 is placed.
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Answer: Option A
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92
If there are 12 protons in the nucleus of an element, then it belongs to group . . . . . . . .
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Answer: Option A
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93
Match List I with List II.
List-I List-II
a. Most reactive alkali metal 1. F
b. Chemically most active non-metal 2. Cs
c. Metal with maximum density 3. Hg
d. Transition metals is in liquid state 4. Os
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Answer: Option C
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94
. . . . . . . . is not a transition metal.
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Answer: Option A
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95
Which of the following scientists does not contribute to the construction of modern periodic table?
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Answer: Option A
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96
The elements of the first group are called.
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Answer: Option C
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97
All the elements in a group in the Periodic Table have the same
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Answer: Option B
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98
In Mendeleev's periodic table, the vertical columns are called . . . . . . . . . and horizontal rows are called . . . . . . . .?
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Answer: Option B
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99
. . . . . . . . . it is the only nonmetal, paired with alkaline metals.
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Answer: Option C
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100
In the modern periodic table. There are inconsistencies regarding the position of . . . . . . . . as it can be placed in the first group of the first period and the 17th group.
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Answer: Option A
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