Element K Na Rb Cs Li Atomic radius (pm) 231 186 244 262 152 Which of the above elements have the biggest and the smallest atom?

The caesium is the biggest atom, and the lithium is the smallest atom. From top to bottom, the atomic radii of an atom will be increased. The atomic radii of caesium is 262 and the atomic radii of lithium is 152 .

What is the periodic trend observed in the variation of atomic radii down a group? Element K Na Rb Cs Li Atomic radius (pm) 231 186 244 262 152

The atomic size of an atom goes on increasing in the group from top to bottom because one shell is added to every next element.

E M B I B E

Science and Technology Standard Ten Part - 1>Chapter 2 - Periodic Classification of Elements>Use your brain power>Q 3

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10th Maharashtra Board

IMPORTANT

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Element $K$ $Na$ $Rb$ $Cs$ $Li$

Atomic radius (pm) $231$ $186$ $244$ $262$ $152$

Does this arrangement match the pattern of the group $1$ of the modern periodic table?

Important Questions on Periodic Classification of Elements

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10th Maharashtra Board

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Science and Technology Standard Ten Part - 1>Chapter 2 - Periodic Classification of Elements>Use your brain power>Q 4

Element	$K$	$Na$	$Rb$	$Cs$	$Li$
Atomic radius (pm)	231	186	244	262	152

Which of the above elements have the biggest and the smallest atom?

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10th Maharashtra Board

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Science and Technology Standard Ten Part - 1>Chapter 2 - Periodic Classification of Elements>Use your brain power>Q 5

What is the periodic trend observed in the variation of atomic radii down a group?

Element	$K$	$Na$	$Rb$	$Cs$	$Li$
Atomic radius (pm)	$231$	$186$	$244$	$262$	$152$

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10th Maharashtra Board

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Science and Technology Standard Ten Part - 1>Chapter 2 - Periodic Classification of Elements>Use your brain power>Q 1

Look at the elements of the third period. Classify them into metals and nonmetals.

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10th Maharashtra Board

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Science and Technology Standard Ten Part - 1>Chapter 2 - Periodic Classification of Elements>Use your brain power>Q 2

On which side of the period are the metals? Left or right?

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10th Maharashtra Board

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Science and Technology Standard Ten Part - 1>Chapter 2 - Periodic Classification of Elements>Use your brain power>Q 3

On which side of the period did you find the nonmetals?

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10th Maharashtra Board

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Science and Technology Standard Ten Part - 1>Chapter 2 - Periodic Classification of Elements>Use your brain power>Q 1

What is the cause of nonmetallic character of elements?

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10th Maharashtra Board

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Science and Technology Standard Ten Part - 1>Chapter 2 - Periodic Classification of Elements>Use your brain power>Q 2

What is the expected trend in the variation of the non-metallic character of elements from left to right in a period?

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10th Maharashtra Board

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Science and Technology Standard Ten Part - 1>Chapter 2 - Periodic Classification of Elements>Use your brain power>Q 3

What would be the expected trend in the variation of the nonmetallic character of elements down a group?

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Element K Na Rb Cs Li Atomic radius (pm) 231 186 244 262 152 Does this arrangement match the pattern of the group 1 of the modern periodic table?

Important Questions on Periodic Classification of Elements

Learn and Prepare for any exam you want !

Element $K$ $Na$ $Rb$ $Cs$ $Li$

Atomic radius (pm) $231$ $186$ $244$ $262$ $152$

Does this arrangement match the pattern of the group $1$ of the modern periodic table?