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3
questions
0
votes
2
answers
125
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What does "predicted" mean in an electronic configuration?
I've noticed the term "(predicted)" appearing at the end of electron configurations for heavier elements. Could you explain what it signifies and the reason behind it? I haven't been able to ...
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-5
votes
1
answer
61
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Are elements made out of many atoms? [closed]
So im reading a chemistry book right now, and always thought an element is made out of ONE atom, with special properties that make it this element.
Amount of Protons, neutrons and electrons.
But this ...
- 1
3
votes
2
answers
24k
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Ground state electron configuration of chromium [duplicate]
What is the ground state electron configuration of chromium?
Is it $\ce{[Ar]}4s^23d^4$ or
Is it $\ce{[Ar]}4s^13d^5$
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