Write the name of all inert …

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Write the name of all inert element with their symbol and atomic number

Posted by Abhishek Ranjan 5 years, 2 months ago

CBSE > Class 10 > Science

2 answers

Preeti 5 years, 2 months ago

Helium (He), Z=2 Neon (Ne),Z=10 Argon(Ar), Z= 18 Krypton(Kr), Z=36 Xenon(Xe), Z=54 Radon(Rn), Z= 86 YOU CAN REMEMBER THIS USING THE MEMONIC "Hema Ne Angrezi Ki Xerox Rakhvai" ☺

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Gaurav Seth 5 years, 2 months ago

Zero group of Mendeleev's periodic table or the group 18 of long form of periodic table is comprised of six elements and these eleements are called as inert gases as trhese elements do not react (inert) with other elements due to their octet outer electronic configaration which is stable configaration. The electronic configuration is listed in the following table.

S.No	Element	Symbol	Atomic number	Electronic configuration
1	Helium	He	2	1s2
2	Neon	Ne	10	[He] 2s2sp6
3	Argon	Ar	18	[Ne] 3s23p6
4	Krypton	Kr	36	[Ar] 3d104s24p6
5	Xenon	Xe	54	[Kr] 4d105s25p6
6	Radon	Rn	86	[Xe] 4f145d106s26p6

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Posted by Pandey Ji 6 months ago

CBSE > Class 10 > Science