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10th CBSE
IMPORTANT
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The alkaline earth metal with the smallest atomic number is .

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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 III
All the known elements could not be classified into triads.
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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.
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10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 1 - Periodic Classification of Elements>EXERCISES>Q III
Elements having atomic numbers 57 to 71 constitute the Lanthanoid series.
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10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 1 - Periodic Classification of Elements>EXERCISES>Q III
The elements of group 2 are called alkali metals.
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10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 1 - Periodic Classification of Elements>EXERCISES>Q III
From left to right in a period, metallic character gradually decreases.
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10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 1 - Periodic Classification of Elements>EXERCISES>Q III
The nature of an element can be predicted on the basis of its position in the periodic table.
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10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 1 - Periodic Classification of Elements>EXERCISES>Q 1
Name one alkali metal and one alkaline earth metal each starting with the letter ‘S’.
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10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 1 - Periodic Classification of Elements>EXERCISES>Q 2
What is the basis of Mendeleev’s periodic law?