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Why elements of group 18 known as noble ...

Why elements of group 18 known as noble gases?

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### Step-by-Step Solution: 1. **Definition of Noble Gases**: - The elements of Group 18 in the periodic table are known as noble gases. This group includes helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and radon (Rn). 2. **Complete Valence Shell**: - Noble gases have completely filled valence shell orbitals. This means that their outermost electron shells are fully occupied, which is typically represented by the electronic configuration of ns²np⁶ (where n is the principal quantum number). ...
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(a)Why are the elements of group 18 known as noble gases? (b)Noble gases have very low boiling points why? (c ) Does the hydrolysis of XeF_(6) lend in a redox reaction?

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State True or False : group 18 elements known as noble gases

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Name an element of group 18 which can form compounds.

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State why noble gases are unreactive while atoms of elements other than noble gases are chemically reactive.