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IMPORTANT
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In elements of 17 group, the element having largest size is:

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Important Questions on Periodic Classification of Elements

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IMPORTANT
ESSENTIALS OF CHEMISTRY X>Chapter 5 - Periodic Classification of Elements>Value Based Questions>Q 24
In Na, Mg, Al and Si the element having smallest size is:
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10th CBSE
IMPORTANT
ESSENTIALS OF CHEMISTRY X>Chapter 5 - Periodic Classification of Elements>Value Based Questions>Q 25
When Mg, Ca and Sr are placed in order of atomic size, the order is:
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ESSENTIALS OF CHEMISTRY X>Chapter 5 - Periodic Classification of Elements>Value Based Questions>Q 26
Elements of group 1 form oxides:
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ESSENTIALS OF CHEMISTRY X>Chapter 5 - Periodic Classification of Elements>Value Based Questions>Q 27
Electronic configuration of an element M is 2,8,8,2. Which statement is not correct about it?
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10th CBSE
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ESSENTIALS OF CHEMISTRY X>Chapter 5 - Periodic Classification of Elements>Value Based Questions>Q 28
Element with atomic number 13 will occur in periodic table in:
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IMPORTANT
ESSENTIALS OF CHEMISTRY X>Chapter 5 - Periodic Classification of Elements>Value Based Questions>Q 29
An element has electronic configuration 2,8,8. Which statement is not correct about the element?
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ESSENTIALS OF CHEMISTRY X>Chapter 5 - Periodic Classification of Elements>Value Based Questions>Q 30
An element has twice the number of electrons in second shell as in its first shell, the element is:
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10th CBSE
IMPORTANT
ESSENTIALS OF CHEMISTRY X>Chapter 5 - Periodic Classification of Elements>Value Based Questions>Q 31
An element M is in group 2, the formula of its oxide is: