11th Class Chemistry Unit 1 Periodic Table and Periodic Properties MCQs with Answers

1.Which scientist first time observed the periodicity in the elements?

a J. Newlands
b L. Meyer
c Dobereiner
d D. Mendeleev

2.Recognize the element if it has 3 electron shells, belongs to "s" block and has 2 electrons in its outer most shell.

3.Which one do you think is correct about metallic character?

4.Which property increases as you go down a group in the periodic table?

5.Which set of the following conditions results in higher ionization energy?

6.Which of the following atoms show more than one (variable) oxidation states?

7.Which is the correct general trend in the variation of electron affinity in a group?

8.What is the oxidation state of sulfur in the sulfate ion SO4 2-?

9.Which is the correct trend in variation of electronegativity along a period of the periodic table?

10.The atomic radius generally ___ across a period in the periodic table.

11.Which one of the following elements has the highest ionization energy?

12.Which one is the correct statement among the followings?

13.Modern periodic table provides information about ___ elements.

14.By 1700 A.D. only ___ elements were recognized

15.Concept of Triads was given by:

16.John Newlands gave the idea of:

17.Who considered as the father of the periodic table?

18.Select metalloid from the following:

19.Group 16 elements are also called:

20.Select which is not alkali earth metal?

a Be
b Co
c Sr
d Ba

21.The term "Halogen" means:

22.Noble gases are present in 18 group, also called:

23.Which ion will have greater size?

24.Which of the following has highest ionization energy?

25.Select the element which has highest 1st ionization energy:

26.Cl has more electron affinity value than F and its value is:

27.2nd value of electron affinity:

28.L.Pauling developed a scale for:

29.Highest electronegative element is ____:

30.Least electronegative element is _____:

31.Electronegativity value of "Cs" is:

32.Tendency to lose electrons called:

33.Metallic character increases:

34.The most reactive metals of the periodic table are:

35.Which of the following will not give hydroxide upon treating with water:

36.Peroxides are those in which oxidation state of oxygen is:

37.Which element is used in S.O.S flares and in firework?

38.Na burns with oxygen to give:

39.Select the one which is acidic oxide:

40.Metallic oxides are ___ in nature:

41.Select basic oxide:

42.Which one is amphoteric oxide:

43.Acidic oxides are:

44.Acidic chlorides have pH?

45.Oxidation state of P in P4O10 is:

46.Element that can show variable oxidation states:

47.Which oxidation state will not shown by S:

Unit 1: Periodic Table and Periodic Properties — Mcqs