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Law of Radioactivity

Which of the ...

Question

Which of the following is the same as Radium, Polonium, Uranium?

A

Thorium

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B

Caesium

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C

Barium

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D

Strontium

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Solution

The correct option is A Thorium
All are radioactive elements.

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Similar questions

Q. Madam Curie collects equal quantities (each 1 gram) of radio active elements, radium, and polonium in two containers. She uses 1/2 part of radium and 1/3 part of polonium in an experiment. What quantity of radium and polonium is left out (in grams) is represented on the given number line?

Which scientist discovered the radioactive element radium?

Q. Polonium adopts a cubic structure with an edge length of the cube being

0.336 n m

. The distance between the polonium atoms which lie at the corners along the body diagonal is:

Q. Radon decays to polonium by emitting alpha particles as shown by the following equation:

_{y}^{x} R n \to_{86}^{218} P o + α

. What are the values of x and y?

Q. Half life of radium is

1620

years. How many radium nuclei decay in

5

5 g m

radium? (Atomic weight of radium

= 223)

.

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