Inert gaselements have their outer most shell completed or full. So they have no tendency to enter into any chemical reaction by giving or receiving electrons. Hence,inert gasesare chemicallyinertandplaced in zero group(Group-viii) in the periodic table.Inert gaseswithzerovalency.

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because they have no valence electrons

Inert gas elements have their outer most shell completed or full. So they have no tendency to enter into any chemical reaction by giving or receiving electrons. Hence, inert gasesarechemically inert andplaced in zero group(Group-viii) in the periodic table. ... So , theyare placed in zero grou

valency of inert gas elements is 0. so they are placed in zero group.

because they have zero electrons in their valency shell and doesn't react with other elememnts

because they have zero electronc in their valency shell and doesn't react with other elememnts

because they have no electrons in valence shell

Inert gaselements have their outer most shell completed or full. So they have no tendency to enter into any chemical reaction by giving or receiving electrons. Hence,inert gases arechemicallyinertandplaced in zero group(Group-viii) in the periodic table.Inert gaseswithzerovalency.

because inert gases can not react with anything and their outermost or valence shell is completed or full

Inert gaselements have their outer most shell completed or full. So they have no tendency to enter into any chemical reaction by giving or receiving electrons. Hence,inert gases arechemicallyinertandplaced in zero group(Group-viii) in the periodic table.Inert gaseswithzerovalency.

निष्क्रिय गैस तत्वों में उनके बाहरी सबसे अधिक शेल पूर्ण या पूर्ण होते हैं। इसलिए उनके पास इलेक्ट्रॉनों को देने या प्राप्त करने के लिए किसी भी रासायनिक प्रतिक्रिया में प्रवेश करने की कोई प्रवृत्ति नहीं है। इसलिए, अक्रिय गैसों को रासायनिक रूप से निष्क्रिय किया जाता है और आवर्त सारणी में शून्य समूह (समूह- viii) में रखा जाता है। शून्य गैस के साथ निष्क्रिय गैसें।

because valency is 0 in outermost shell

Inertgas elements have their outer most shell completed or full. So they have no tendency to enter into any chemical reaction by giving or receiving electrons. Hence,inertgasesarechemicallyinertandplaced in zero group(Group-viii) in the periodic table.Inertgases withzerovalency.

because his orbital is full

because inert gases have zero electron in their valence shell as their outermost shell is completely filled have 8 e- so they are placed in zero group

they have complete octet .....do not require any gain or lose of electron

because they found late

inert gases placed in zero group because they have it electrons in the outermost balance and zero group is also known as 18 group so 8 electrons in valence shell represents the 18 group and they are most stable as they do not react with any element element in zero group are known as noble gases

because of their symmetric outermost electronic configuration of (nS2nP6) except He(1S2) they are most stable do not undergo any chemical reaction (except Xe) are kept in group 18 which is also zero group

because the outermost shell of inert gas is completely filled

Because their outermost orbit is complete.in mendeleevs original periodic table there was no place reserved for noble gas.they was discovered in end of 19th century.so mendeleev created zero group without disturbing original periodic table.