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10th CBSE
IMPORTANT
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The oxides of the elements of groups 1 and 2 are in nature.

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Important Questions on Periodic Classification of Elements

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10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 1 - Periodic Classification of Elements>EXERCISES>Q II
In the modern periodic table, elements have been arranged in the order of increasing _____.
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10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 1 - Periodic Classification of Elements>EXERCISES>Q II
Name the element with atomic mass 14 is _____.
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10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 1 - Periodic Classification of Elements>EXERCISES>Q II
Elements lying in a group contain the same number of _____.
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10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 1 - Periodic Classification of Elements>EXERCISES>Q II
Element with atomic number 16 is _____.
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10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 1 - Periodic Classification of Elements>EXERCISES>Q II
The element with two electronic shells, both completely filled up with electrons is _____.
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10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 1 - Periodic Classification of Elements>EXERCISES>Q II
The alkaline earth metal with the smallest atomic number is _____.
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10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 1 - Periodic Classification of Elements>EXERCISES>Q III
All the known elements could not be classified into triads.
EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 1 - Periodic Classification of Elements>EXERCISES>Q III
Within a group, various elements show variation in properties.