'Strong nuclear force holds' presentation slideshows

This spontaneous break down or rearrangement is called radioactivity .

The nucleus consists of protons and neutrons, collectively called nucleons . The number of protons is the atomic number . Protons plus neutrons is the atomic mass number or the nucleon number.

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Essential Question: How do unstable (radioactive) isotopes become stable?

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The 4 Fundamental Forces

The 4 Fundamental Forces. What is a force?. A push or a pull . If something is not moving, a push or pull could start it moving. If something is moving, a push or pull could stop it. YAWN!!!. If everything stayed the same, we would be BORED.

1.08k views • 31 slides