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Chemistry Class 12 Chapter 1
Periodic Classification of Elements and Periodicity
Test 8
1.
Inner transition elements are also called?
Rare earth metals
Actinides
All
Lanthanides
2.
Seventh period contains normal elements?
6
4
8
2
3.
The longest period in the modern periodic table is?
7th
6th
5th
2nd & 3rd
4.
Hydrogen resemble with carbon due to?
Similar physical states
Same number of electrons in valence shell
Remarkable reducing properties
All
5.
In which blocks modern periodic table is divided?
4
7
2
8
6.
Which oxides are formed by metals?
Both
Basic
None
Acidic
7.
Amphoteric oxides are those which posses properties of?
None
Acid
Both
Base
8.
In modern periodic table all the elements are arranged in ascending order of ?
Atomic mass
Valency
Atomic number
Valence electrons
9.
Elements with same chemical properties appear in the?
Same family
Same period
Both are correct
No fix position
10.
Noble gases are named so because they are?
Inert
Having completely filled valence shell
All
Zero group elements
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