MEDIUM
10th Maharashtra Board
IMPORTANT
Earn 100

Position of the elements in the periodic elements.

What do you think? Should hydrogen be placed in the group 17 of halogens or group 1 of alkali metals in the modern periodic table? 

Important Questions on Periodic Classification of Elements

MEDIUM
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 2 - Periodic Classification of Elements>Can you tell?>Q 1
Go through the modern periodic table and write the names one below the other of the elements of group 1.
MEDIUM
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 2 - Periodic Classification of Elements>Can you tell?>Q 2
Write the electronic configuration of the first four elements in the first group.
MEDIUM
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 2 - Periodic Classification of Elements>Can you tell?>Q 3
Which similarity do you find in the configuration of group 1 elements?
EASY
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 2 - Periodic Classification of Elements>Can you tell?>Q 4
How many valence electrons are there in each of the alkali group elements? (One/Two)
MEDIUM
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 2 - Periodic Classification of Elements>Can you tell?>Q 1
Ongoing through the modern periodic table it is seen that the elements Li, Be, B, C, N, O, F and Ne belong to period-2. Write down the electronic configuration of all of them.
MEDIUM
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 2 - Periodic Classification of Elements>Can you tell?>Q 2
Is the number of valence electrons the same for all the second-period elements?
MEDIUM
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 2 - Periodic Classification of Elements>Can you tell?>Q 3
Is the number of shells are same for the period 2 elements?
MEDIUM
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 2 - Periodic Classification of Elements>Can you recall?>Q 1
What are the values of ‘n’ for the shells K, L and M?