Element X is the first element of alkaline earth metals family. An element Y is the first element of alkali metals family. An element Z is the first element of the halogen family. Among the three elements which one has a larger atomic size?

Element Z

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All three have same size

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Element Y

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Element X

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Solution

The correct option is C Element Y

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Similar questions

An element with atomic no. 11 is an alkali metal. Into which family shall you place elements with atomic no 10 and 12 respectively?

Name the following :

1. A liquid non metal.

2. An unique element of periodic table.

3. A member of halogen family, solid in state.

4. An element which is a sublimable.

5. Two light members of alkali metal group.

6. The lightest element.

7. An element which gives golden flame.

8. Two abnormal noble gases.

9. A noble gas which is absent in nature.

10. Two elements of first period.

11. Total number of gaseous elements present in modern periodic table.

12. A light metal which has three valency.

13. Valency of carbon in carbon monoxide.

14. An element of 4th period which gives the lilac flame.

15. Strongest acid.

16. Lightest metal.

17. Highly electronegative element.

18. Radioactive halogen.

19. Smallest atom.

20. A liquid metal.

21. A liquid non metal.

an element with atomic number 11 is an alkali metal. into wich families should you place elements with atomic number 10 and 12

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