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प्रश्न
Name and state the following with reference to the elements of the first three periods of the periodic table.
Noble gas having electronic configuration: 2, 8, 8.
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उत्तर
Argon
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संबंधित प्रश्न
What are the following group known as?
Group 18
How do alkaline earth metals occur in nature?
Write the electronic configuration of the first two alkaline earth metals.
How many electrons do inert gases have in their valence shells?
Comment on the (i) reactivity (ii) colour (iii) physical state of group 17 elements.
Name the gas used in:
Filling balloons
Write a short note on the following type of element –
halogens
State the main helpful features of the long form of the periodic table.
Select the correct answer from the options given below.
The most reactive halogen from group 17.
State the following:
The group which contains highly reactive electronegative non-metals including chlorine.
