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CTET Prep: Science Questions - Chemistry - Periodic Classification of Elements
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Periodic classification of elements is the method by which elements are grouped on the basis of their characteristics - we keep the elements that are alike in one group and the rest of the elements in the other group.

CTET Prep: Science Questions - Chemistry - Periodic Classification of Elements
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25 Questions

1. Which of the following transition metal is in liquid state ?
2. Which of the following element has the lowest electron affinity?
3. Which has maximum conductivity?
4. The element that has the highest first ionisation potential is
5. Elements of d-block are called
6. The total number of lanthanide elements is
7. Aluminium is diagonally related to
8. The elements on the right side of the periodic table are
9. Which of the following has the highest ionisation potential?
10. Which of the following is the smallest cation?
11. Electron affinity of noble gases is
12. The first attempt to classify elements was made by
13. Which one of the following has largest size?
14. The horizontal line in modern periodic table is called
15. Alkali metal are in a group
16. The long form of periodic table is based on
17. Which among the following has the highest ionisation potential?
18. The most electropositive amongst the alkaline earth metals is
19. ‘‘Which elements are arranged in increasing order of atomic weight, every eighth element has properties similar to the first.’’ This law had been given by
20. Metal with maximum density here is
21. In the reaction Zn + H2SO4 —→ ZnSO4 + H2, Zn undergoes
22. Which of the following isoelectronic species has the largest size?
23. In modern periodic table, the group member is
24. Consider the following statements with reference to the periodic table of chemical element
1. Ionisation potential gradually decreases along a period
2. In a group of element, electron affinity decreases as the atomic weight increases
3. In a given period, electronegativity decrease as the atomic number increases Which of these statement(s) is/are correct?
25. Modern periodic table is based on atomic number of the elements. The significance of atomic number was proved by the experiment of

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