Question

What do these words in this list mean? please give the meanings to the words you know t

Answer 1

1. A rare radioactive metal of the alkaline earth series.

2. The emission of ionizing radiation or particles caused by the spontaneous disintegration of atomic nuclei.

3. A gray, dense radioactive metal used as fuel in nuclear reactors.

4. A thing that is composed of two or more seperate elements.

5. A white radioactive metal of the actincide series.

6. A binary compound of oxygen with another element or group.

7. The branch of biology dealing with the functions and activites of living organisms and their parts, including all pysical and chemical processes.

8. Rapidty of motion or operation.

9. Break up into small parts, typically as the result of impact or decay.