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rewona [7]
2 years ago
5

What does the electron configuration for the noble gases tell us about the elements in the group

Chemistry
1 answer:
uysha [10]2 years ago
7 0

Answer:That all noble gases will have 8 valence electrons which makes a atom stable

Explanation:

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<span>The effective nuclear charge of an atom = total electrons - inner electrons For O, ENC = 8 - 2 = 6 For Li, ENC = 3 - 2 = 1 For C, ENC = 6 - 2 = 4 The electrons in O experience the greatest effective nuclear charge and that is why O is smaller than C (which is smaller than Li).</span>
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3 years ago
Which conclusion was drawn from the results of
torisob [31]

Answer;

-(2) An atom is mostly empty space.

Experiment

-Rutherford conducted the "gold foil" experiment where he shot alpha particles at a thin sheet of gold. The conclusion that can be drawn from these experiment is that an atom is mostly empty space.

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ElenaW [278]

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False

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