This subatomic particle is electrically neutral, and has a mass of 1 AMU

The nucleus has a ___________ electrical charge.

The electron cloud has a _______________ electrical charge.

What the nucleus and the electron contribute to the atom respectively.

This subatomic particle determines an element's identity.

This subatomic particle determines an element's reactivity.

An atom is mostly made of _______________.

This element has 8 protons, 8 neutrons, and 8 electrons

How does an atom get its mass?

What kind of particles are found in the cloud surrounding the nucleus?

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