polonium in English

noun

1

the chemical element of atomic number 84, a radioactive metal occurring in nature only as a product of radioactive decay of uranium.

In the process, she discovered two new elements that are millions and billions of times more radioactive than uranium: radium and polonium .

noun

po

Use "polonium" in a sentence

1. Two of these progeny, polonium-218 and polonium-214 decay rapidly themselves, and emit alpha particles.

2. Two of these progeny, polonium-218 and polonium-214, decay rapidly themselves, and emit alpha particles.

3. Cigarette smoke contains at least 73 known carcinogens, including benzopyrene, NNK, 1,3-butadiene, and a radioactive isotope of polonium – polonium-210.

4. Blandnesses drenchingly Broz polonium receiver vappa Pallua titivates cannibalean

5. Marie Curie discovered two new chemical elements - radium and polonium

6. Effects of Polonium-210 Alpha Radiation on Human and Animal Systems Principle Investigator:

7. Polonium is a radioactive element that exists in two metallic allotropes.

8. Cumulative Effects Effects of polonium-210 alpha radiation on human and animal systems

9. Actinium, like radium and polonium, emits an ethereal blue radiance which contributes to pitchblende's luminescent properties

10. Curium is named after Marie and Pierre Curie, who discovered radium and polonium, but not Curium

11. External exposure is not a concern because polonium produces alpha radiation, which does not penetrate the skin.

12. After the War, she earned her doctorate in science, doing her thesis on the alpha rays of polonium .

13. Although, radium, radon and polonium were observed first, of all the components of pitchblende Actinium was the first to be isolated.

14. My Marie Curie (1867-19 French nationality Polish scientists to study the phenomenon of radioactive found radium and polonium two radioelement, twice the life of Nobel Prize.

15. The pollutants due to natural gas combustion are listed below: Natural gas extraction also produces radioactive isotopes of polonium (Po-210), lead (Pb-210) and radon (Rn-220).

16. We found that pitchblende contains at least two radioactive materials, one of which, Accompanying bismuth, has been given the name polonium, while the other, paired with barium, has been called radium.

17. 29 Before broaching the subject of this lecture,[www.Sentencedict.com] I should like to recall that the discoveries of radium and of polonium were made by Pierre Curie in collaboration with me.

18. Polonium-210 is a volatile metal with 50% being vaporized in air after 45 hours at 328 K . This isotope is an alpha emitter that has a half-life of 138.39 days.

19. 4 We found that pitchblende contains at least two radioactive materials, one of which, accompanying bismuth, has been given the name polonium, while the other, paired with barium, has been called radium.

20. To measure atmospheric radon-220 (thoron) a device has been developed which uses alpha-alpha coincidences from the decay of radon-220 and its very shortlived decay product polonium-216 (half-life 0.16 sec).