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Question
Name and state the following with reference to the elements of the first three periods of the periodic table.
Group whose elements have zero valencies.
Solution 1
Noble gases
Solution 2
Group is 18th or O group
RELATED QUESTIONS
What are the following group known as?
Group 17
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.
Write the reactions of the first three alkaline earth metals with dilute hydrochloric acid.
Comment on the (i) reactivity (ii) colour (iii) physical state of group 17 elements.
Give reason:
Alkali metals are kept in an inert solvent.
Give reason:
Alkali and alkaline earth metal compounds usually form electrovalent compounds.
Write a short note on the following type of element –
halogens
Write a short note on the following type of element –
noble gases
Give a reason for the following:
Noble gases do not form compounds readily.
State the following:
The group from the groups 1 [IA], 2 [IIA], 16 [VIA] and 7 [VIIA] whose elements are most electronegative.
