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1) Which is the most stable electronic configuration of 1st transition series.

2) Which of the following group has the highest electrical conductivity

3) Ionization energy increases from left to right. In which case the highest amount of energy is required to remove valence shell electrons.

4) Which of the following pair of elements shows the abnormal electronic configuration

5) Which of the following has the highest binding energy?

6) Alkaline earth metals form _______ oxide at normal conditions

7) The geometry of the complexes depends upon the type of _______ taking place in the
valence shell of the central metal atom.

8) The size of the atoms and ions go on decreasing in periods of s and p block elements because of

9) How many non-metals are present in the s-block?

10) Which of the following group elements are strong reducing agents?

11) The electronegativity value of group IA decreases from top to bottom due to

12) The total number of unpaired electrons in an atom of atomic number 24 when it carries a +3 charge

13) The melting and boiling point of silicon is highest in the 3rd period. This is because of

14) When one mole of aluminium is reacted with excess steam, it produces a mole of hydrogen gas.

15) Which of the following element in reaction with oxygen produce ionic oxides?

16) Which property of alkaline earth metals decreases with the increase in atomic number

17) Which of the following is the correct decreasing order of basic character of alkali metal oxides?

18) How many s-orbital electrons are there in phosphorus?

19) Which of the following process is endothermic?

20) Zn and Cd are non-typical transition elements and they belong to the _______ group.

21) II-A elements on reaction with oxygen produce their oxides and these oxides are very stable due to their.

22) In the case of melting points and boiling points which element will be present at the top of the graph

23) Which of the following is correct regarding the IA elements in the group?

24) Sodium reacts with water more vigorously than lithium because

25) Choose the incorrect statement