Question

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what is meant by radioactive materials?​

Answer 1

Answer:

Radioactive material is any material containing unstable atoms that emit ionizing radiation as it decays. ... Open-form radioactive material is normally used as a tracer in experiments and has the potential for spillage and release if not properly handled.

Answer 2

Definition:-

Radioactive material is any material containing unstable atoms that emit ionizing radiation as it decays.

Example:-

Alpha Radiation

Uranium

Radium