Periodic Properties of Elements MCQ. We covered all the Periodic Properties of Elements MCQ in this post for free so that you can practice well for the exam.
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MCQ on Periodic Properties of Elements for School Students
Existence of some of the unknown elements were predicted by
1. Mendeleef
2. Lother Meyer
3. Pettenkofer
4. Dechacourtois
Option 1 – Mendeleef
Mendeleef predicted an element with atomic weight 68 and named as
1. Eka Boran
2. Eka Carbon
3. Eka aluminum
4. Eka Iron
Option 3 – Eka aluminum
Who discovered the eka aluminum which was predicted by Mendeleef
1. Lother Meyer
2. Nilson
3. Johnson
4. Deboisbaudran
Option 4 – Deboisbaudran
deboisbaudran named the eka aluminum as
1. Silicon
2. Scandium
3. Gallium
4. Indium
Option 3 – Gallium
Mendeleef predicted an element with atomie weight 44 and named as
1. Eka Germanium
2. Eka Boran
3. Eka Chlorine
4. Eka Capper
Option 2 – Eka Boran
Who discovered the eka Boran
1. Nilson
2. Jokhson
3. Thomson
4. Rabinson
Option 1 – Nilson
Nilson named the eka boran as
1. Germanium
2. Scandium
3. Titanium
4. Venedium
Option 2 – Scandium
Mendeleef has placed the elements of valancy one in
1. group-I
2. group-II
3. group-III
4. group-IV
Option 1 – group-I
What is the main objection about Mendeleef periodic table
1. Arrangement of elements does not reflect periodicity
2. Inconsistencies in oxidation states of elements placed in the same group
3. Marked differences in the properties of elements placed in the same group
4. None of these
Option 1 – Arrangement of elements does not reflect periodicity
What is the objection of Mendeleef periodic table
1. Different properties of elements placed in the same group
2. Non separation of metals and non metals
3. Placement of lanthanoids and actinoids
4. All the above
Option 4 – All the above
Mendeleef’s periodic table is based on the
1. Atomic weight
2. Atomic number
3. Atomic radius
4. Atomic volume
Option 1 – Atomic weight
According to Mosley which property is most fundamental property
1. Atomic weight
2. Atomic number
3. Atomic radius
4. Atomic volume
Option 2 – Atomic number
Which law states “The properties of the elements are periodic functions of their atomic numbers”
1. Mendeleef’s periodic law
2. Modern periodic law
3. Law of actaves
4. Lother Meyer’stheory
Option 2 – Modern periodic law
The Modern periodic law was stated by
1. Mendeleef
2. Dobereiner
3. Mosley
4. Nilson
Option 3 – Mosley
The Modern periodic table is also known as
1. The long form of periodic table
2. Mosley periodic table
3. (1) and (2)
4. None of these
Option 1 – The long form of periodic table
The Modern periodic table relates the properties of elements to their
1. Atomic weight
2. Atomic radius
3. Electronic configuration
4. Atomic volumes
Option 3 – Electronic configuration
The long foam of the periodic table has
1. 7 horizontal rows and 15 vertical columns
2. 15 horizontal rows and 7 vertical columns
3.9 horizontal rows and 18 vertical columns
4. 7 horizontal rows and 18 vertical columns
Option 4 – 7 horizontal rows and 18 vertical columns
In the Modern periodic table horizontal rows called
1. Periods
2. Groups
3. Triads
4. None of these
Option 1 – Periods
In the Modern periodic table vertical columns called
1. Periods
2. Groups
3. (1) and (2)
4. None of these
Option 2 – Groups
How many vertical columns are there in Modern periodic table
1.7
2.9
3. 15
4.18
Option 4 – 18
How many groups are there in Modern periodic table
1. 10
2. 15
3. 16
4.18
Option 3 – 16
In Modern periodic table Middle of the Three vertical columns are considered as
1. One Group
2. Two groups
3. Three Groups
4. None of these
Option 1 – One Group
Lanthanides and actinides are separately placed at the …….. of the periodic table
1. Right side
2. Bottom
3. Left side
4. None of these
Option 2 – Bottom
The First period has
1. Only two elements
2. Only three elements
3. Only one element
4. Only eight elements
Option 1 – Only two elements
The first period elements are
1. He and Ne
2. Li and Na
3. H and He
4. Be and Mg
Option 3 – H and He
The second period consist of
1. Two elements
2. Eight elements
3. Eighteen elements
4. Thirty two elements
Option 2 – Eight elements
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