MDCAT Chemistry Periodic Classification Of Elements & Periodicity Online Test

Chemistry Periodic Classification Of Elements & Periodicity MCQS Online Test

MDCAT Chemistry Periodic Classification Of Elements & Periodicity Chapter Online Test

Total Questions: 107
Time Allowed: 60 Minutes
Total Marks: 107
How to Attempt Test: Please choose the right Option in MCQ-type question.
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MDCAT Chemistry Periodic Classification Of Elements & Periodicity Test

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Chemistry

1. Elements were classified into groups of three called as trades by

2. Which element was not known when Mendeleev proposed his classification?

3. The element with atomic number 26 will be found in group

4. Elements with similar chemical properties appear in 1 the

5. The attraction that an atom exerts on a pair of electrons that are being shared with another atom for forming covalent bond is referred to as its

6. Of the given alkali metals, the one with smallest size is

7. The electron affinity values (in kJ mol¯¹) of three halogens X, Y and Z are respectively – 349, -333 and -325. Then X, Y and Z respectively are:

8. Higher value of electron affinity means

9. Which of the following groups of period table has entirely metals?

10. The electronegativity of Si is

11. IN the light of Mendeleev’s periodic law,. the properties of elements are periodic function of their

12. Which discovery caused a revision in periodic law as predicted by Mendeleev?

13. The defects in the Mendeleev’s Periodic table is/are

14. An element has electronic configuration IS2, 2S2, 2P2 with which group does this element belong to

15. The element with atomic number 14 belongs to

16. The atomic radii decreases by increasing atomic number in

17. Which one of the following is not a periodic property?

18. An element has electronic configuration 1s2 2s2 2p2. It belongs to

19. The correct arrangement of increasing order of atomic radius among Na, K, Mg, Rb is

20. Hydrogen resembles with carbon because of having

21. The element with atomic number 55 belongs to which block of the periodic table

22. Which of the following ion is stable in aqueous solution?

23. Elements in the same vertical group of the periodic table have same

24. Which set of elements is listed in order of increasing ionization energy?

25. Which of the following set consist of all coinage metals?


 

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