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प्रश्न
How many electrons do inert gases have in their valence shells?
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उत्तर
All the noble or inert gases have 8 electrons in their valence shell except helium which has two electrons in its valence shell.
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संबंधित प्रश्न
Name two elements of each group.
Name and state the following with reference to the elements of the first three periods of the periodic table.
Noble gas with duplet arrangement of electrons.
Name the alkali metals, How many electron(s) they have in their outermost orbit.
Name the gas used in:
Filling balloons
Name the gas used in:
Bright colour advertising light works
Give reason:
Alkali and alkaline earth metal compounds usually form electrovalent compounds.
Write a short note on the following type of element –
halogens
State the main helpful features of the long form of the periodic table.
Name or state following with reference to the element of the first three periods of the periodic table.
An alkaline earth metal in period 3.
State the following:
The group from the groups 1 [IA], 2 [IIA], 16 [VIA] and 7 [VIIA] whose elements are most electronegative.
