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vova2212 [387]
3 years ago
9

The outer shell of the atoms in Group D...

Chemistry
1 answer:
ELEN [110]3 years ago
3 0

Answer:

Outer shell is full

Explanation:

The elements represented by the group D are noble gases.

Noble gases have fully filled outer electronic configuration.

He=1s^2

Ne=1s^22s^2 2p^6

Ar=1s^22s^2 2p^63s^2 3p^6

Kr=1s^22s^2 2p^63s^2 3p^63d^{10}  4s^2 4p^6

...

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