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10th ICSE
IMPORTANT
Earn 100

Give the name and electronic configuration of the second alkaline earth metal.

Important Questions on Periodic Classification of Elements

HARD
10th ICSE
IMPORTANT
Science Chemistry>Chapter 5 - Periodic Classification of Elements>ASSESSTMENT>Q 12
Give the name and electronic configuration of the halogen which is liquid is at room temperature.
HARD
10th ICSE
IMPORTANT
Science Chemistry>Chapter 5 - Periodic Classification of Elements>ASSESSTMENT>Q 13
What is the name given to the group of three similar elements by Dobereiner?
MEDIUM
10th ICSE
IMPORTANT
Science Chemistry>Chapter 5 - Periodic Classification of Elements>ASSESSTMENT>Q 16
Name the elements upto which Newlands's law of octave was applicable.
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10th ICSE
IMPORTANT
Science Chemistry>Chapter 5 - Periodic Classification of Elements>ASSESSTMENT>Q 18
What are horizontal rows and vertical columns of the periodic table called?
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10th ICSE
IMPORTANT
Science Chemistry>Chapter 5 - Periodic Classification of Elements>ASSESSTMENT>Q 19
How many elements were known when Mendeleev started his work on the classification of elements?
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10th ICSE
IMPORTANT
Science Chemistry>Chapter 5 - Periodic Classification of Elements>ASSESSTMENT>Q 20
Name the fundamental property used by Mendeleev as the basis of classification.
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10th ICSE
IMPORTANT
Science Chemistry>Chapter 5 - Periodic Classification of Elements>ASSESSTMENT>Q 21
Which alkaline earth element is radioactive in nature?  
MEDIUM
10th ICSE
IMPORTANT
Science Chemistry>Chapter 5 - Periodic Classification of Elements>ASSESSTMENT>Q 23
Which property do all the elements possess which are present in the same period as the element, boron?