Quiz: How Much You Know About The Chemical Element Astatine?

Questions : 10 | Total Attempts: 670 | Recent Updated: 15-Jun-2020
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The last known chemical of Halogen group astatine was synthesized by Dale R. Corson, Kenneth Ross MacKenzie, and Emilio G. Segrè in the year 1940 at the University of California. The chemical is radioactive and highly unstable. The element can be produced by bombarding targets made of bismuth-209 with high energy alpha particles. These high energy Alpha particles are the helium nuclei. The atomic number of astatine is 85. It is a p block element of group 17 and period 6. This element is considered as a metalloid that acts as a metal and nonmetal both. Four isotopes of astatine were subsequently found to be naturally occurring, although much less than one gram is present at any given time in the Earth's crust. So take this quiz and increase your knowledge about the chemical compound Astatine.

Questions Excerpt


1. Astatine was discovered in which year?

A. 1950

B. 1945

C. 1940

D. 1860

2. Nuclei of which element is used as Alpha particles for the production of this element?

A. Lithium

B. Helium

C. Titanium

D. Selenium

3. In which university does element was discovered?

A. Cambridge University

B. Oxford University

C. Stanford University

D. University Of California

4. The atomic number of Astatine is ...

A. 45

B. 85

C. 55

D. 67

5. Total known isotopes of astatine are...

A. 39

B. 56

C. 32

D. 34

6. Total known nuclear isomers of astatine are...

A. 34

B. 22

C. 24

D. 21

7. The medical useful isotope of astatine is...

A. Astatine 211

B. Astatine 210

C. Astatine 216

D. Astatine 213

8. Which group does astatine belong to?

A. Alkali metals

B. Halogens

C. Actinoid metals

D. Alkaline earth metals

9. Which block of metals does astatine belong to?

A. S block elements

B. P block elements

C. D block elements

D. F block elements

10. Electronic configuration of astatine is...

A. [Xe] 4f145d106s26p5

B. [Kr]4d105s25p5

C. [Ne]3s²3p⁵

D. [He] 2s22p5

 

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