Atomic Structure: Nucleus, Electrons, and Energy Levels

The video tutorial explains the basic structure of an atom, highlighting its components: the nucleus, protons, neutrons, and electrons. It discusses the mass and charge of these particles, emphasizing that most of an atom's mass is concentrated in the nucleus. The video compares the size of the nucleus to the atomic radius, illustrating that atoms are mostly empty space. It also covers electron shells, energy levels, and how electrons transition between these levels, emitting or absorbing energy. The tutorial concludes with a brief mention of flame emission spectroscopy.

What is the relative mass of protons compared to electrons?

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How does the size of the nucleus compare to the size of the atom?

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What happens when an electron absorbs energy?

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