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प्रश्न
Name the noble gas with 3 shells.
उत्तर
Argon
संबंधित प्रश्न
The atomic particle whose number in the atoms of an element always remains the same and which forms the real basis for the modern classification of elements is:
(a) electron
(b) proton
(c) neutron
(d) meson
Consider the following elements:
Na, Ca, Al, K, Mg, Li
Which of these elements belong to the same group of the periodic table?
State how the valency of elements varies in a group of the periodic table?
What is a period in a periodic table?
The electronic configuration of an element T is 2, 8, 8, 1.
What is the group number of T?
Answer the following question.
How it can be proved that the basic structure of the Modern Periodic Table is based on the electronic configuration of atoms of different elements?
State the number of elements in Period 1 of the Periodic Table.
Write an Explanation.
Period
Group 16 elements are collectively called as ______.
Explain giving reason why although the nuclear charge in atoms increases in moving from left to right in a period as well as in moving from top to bottom in a group in the Modern periodic table, but the size of the atoms does not vary similarly in both situations.