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Question 1 of 36

Chemistry

1. The number of groups in periodic table is:

Question 1 of 36

Question 2 of 36

2. Electronegativity of oxygen is:

3.1

3.3

3.2

3.4

Question 2 of 36

Question 3 of 36

3. Belongs to group 17th:

Nobel gases

Halogens

None of these

Alkali Metals

Question 3 of 36

Question 4 of 36

4. Fourth period contains no. of elements:

Question 4 of 36

Question 5 of 36

5. Transition elements are:

All Gases

All Nonmetals

All Metals

All Metalloids

Question 5 of 36

Question 6 of 36

6. The first period consist of:

Two elements

Three elements

Five elements

Four elements

Question 6 of 36

Question 7 of 36

7. Who discovered atomic number?

Mendleeve

Newland

H-Mozle

Gold Stein

Question 7 of 36

Question 8 of 36

8. The electronegativity of carbon is:

2.0

2.6

4.0

1.0

Question 8 of 36

Question 9 of 36

9. 4th and 5th periods of long form of periodic table are called:

Short Periods

Very long Periods

Long Periods

Normal Periods

Question 9 of 36

Question 10 of 36

10. The horizontal lines are called:

Atomic Mass

Periods

Groups

Atomic Number

Question 10 of 36

Question 11 of 36

11. Elements in second period are:

Question 11 of 36

Question 12 of 36

12. The electronegativity of fluorine is:

3.0

2.1

4.0

3.5

Question 12 of 36

Question 13 of 36

13. Electronic configuration of sulphur is:

2S² 2S⁵ 2P⁴ 3S² 3P²

2S² 2S⁶ 2P³ 3S² 3P²

2S² 2S³ 2P⁶ 3S² 3P²

2S² 2S⁴ 2P⁶ 3S² 3P²

Question 13 of 36

Question 14 of 36

14. The vertical columns in the periodic table are called:

Atomic Mass

Atomic Number

Periods

Groups

Question 14 of 36

Question 15 of 36

15. Transition elements are:

All Metals

All Metallaids

All Nonmetals

All Gases

Question 15 of 36

Question 16 of 36

16. Medleev Periodic table was based on:

Electronic configuration

Atomic Number

Atomic Mass

Completion of a Sub shell

Question 16 of 36

Question 17 of 36

17. Electronic configuration of (Cu) Ion is:

1S², 2S², 2P⁶, 3S² 2P³

1S², 2S², 2P², 3S² 2P⁶

1S², 2S², 2P⁶, 3S² 2P⁴

1S², 2S², 2P⁶, 3S² 2P⁵

Question 17 of 36

Question 18 of 36

18. Electronic configuration of Potassium is:

(Ne)3S¹

(Kr)4S¹

2S¹

(A1⁻)4S¹

Question 18 of 36

Question 19 of 36

19. The amount of energy given out when an electron is added to an atom is called:

Lattice Energy

Electron Affinity

Ionization

Electronegativity

Question 19 of 36

Question 20 of 36

20. Elements in second period are:

None of these

Atomic Mass

Atomic Number

Atomic Quality

Question 20 of 36

Question 21 of 36

21. The atomic number of fluorine is:

Question 21 of 36

Question 22 of 36

22. Which nobel gas does not possess 8 electros in their valence Shell?

Question 22 of 36

Question 23 of 36

23. Modern periodic law is presented by:

H. Moseley

Newlands

Medeleev

Dobereiner

Question 23 of 36

Question 24 of 36

24. In which block, elements of groups 17 are present:

Question 24 of 36

Question 25 of 36

25. The range of atomic number of 3rd period in periodic tale is:

3 to 10

1 to 2

11 to 18

19 to 36

Question 25 of 36

Question 26 of 36

26. The general electronic configuration of Nobel gases is:

nS²nP⁵

nS²nP⁶

nS²nP⁴

nS²nP³

Question 26 of 36

Question 27 of 36

27. Electronegativity of fluorine is:

Question 27 of 36

Question 28 of 36

28. Electronic configuration of Nitrogen is:

1S²,2S²,2P²

1S²,2S²,2P³

1S²,2S²,2P⁵

1S²,2S²,2P⁴

Question 28 of 36

Question 29 of 36

29. Elements of one group are called:

Species

Block

Period

Family

Question 29 of 36

Question 30 of 36

30. Which period is incomplete?

5th

7th

6th

4th

Question 30 of 36

Question 31 of 36

31. The electronegativity of nitrogen is:

Question 31 of 36

Question 32 of 36

32. Which one of the following halogen has highest electron negativity?

Bromine

Chlorine

Fluorine

Iodine

Question 32 of 36

Question 33 of 36

33. Elements of d-block are called:

Alkaline earth Metals

Both A and B

Alkali Metals

Transition Metals

Question 33 of 36

Question 34 of 36

34. Nuclei of two attached atoms half of distance is called:

Atomic circumferential

Atomic diagonal

Atomic Diameter

Atomic Radius

Question 34 of 36

Question 35 of 36

35. Long form of periodic table is constructed on the basic of:

Mass Number

Atomic Mass

Merdleeve Postulate

Atomic Number

Question 35 of 36

Question 36 of 36

36. 1st Period has elements:

Question 36 of 36

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