Dating - Video radioactive dating

4 important questions on Dating - Video radioactive dating

Each element has a unique and fixed number of ...

Protons

When is an atom called radioactive/unstable?

When an atom has an unequal number of protons and neutrons

What happens if an atom is unstable?

It breaks apart in a process called radioactive decay
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If an element has a long half-life it decays relatively ... So it can only be used to date ...

  • Slowly
  • Old objects

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