Valence electrons (video) | Khan Academy

Valence electrons (video) | Khan Academy

$34.88

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oxygen electrons per shell
Valence electrons (video) | Khan Academy

A total of 3 guests made comments

2026-01-12

Everything arrived as described and in great shape.

2026-01-07

Smooth delivery, reliable product.

2026-01-08

I’ve been using the product for a while now and it continues to work well. Everything functions as intended and I haven’t noticed any problems.

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