SCIENCE
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Completely filled
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Completely empty
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Complex shaped
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Half filled
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Detailed explanation-1: -So, Helium, Neon, and Argon are the 3 elements that have electrons completely filled in their outermost orbit .
Detailed explanation-2: -Therefore, three elements with filled outermost shell are neon, argon, and krypton.
Detailed explanation-3: -Helium (He), neon (Ne), and argon (Ar), as group 18 elements, have outer electron shells that are full or satisfy the octet rule. This makes them highly stable as single atoms. Because of their non-reactivity, they are called the inert gases or noble gases.
Detailed explanation-4: -Complete answer: The elements which have their outermost shell complete are called noble gases.
Detailed explanation-5: -All three are noble gas elements which have completely filled outermost shell. Helium and Argon is a noble gas, hence they have filled outermost shell.