An atom has two main regions. Which are those?

Planetary electrons and energy levels

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Nucleus and kernel

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Principal energy levels and energy sublevels

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Nucleus and energy levels

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Solution

The correct option is C Nucleus and energy levels
An atom has two main regions, these include nucleus and energy levels.
Nucleus contains protons and neutrons. Electrons revolve in circular energy levels.

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An atom has two main regions. Which are those?

The correct option is C Nucleus and energy levelsAn atom has two main regions, these include nucleus and energy levels.Nucleus contains protons and neutrons. Electrons revolve in circular energy levels.

The correct option is C Nucleus and energy levels
An atom has two main regions, these include nucleus and energy levels.
Nucleus contains protons and neutrons. Electrons revolve in circular energy levels.