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

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

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

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

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

6) Choose the incorrect statement

7) Choose the correct statement

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

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

10) Which of the following transition element show only one oxidation state?

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

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

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

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

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

16) "X" compound absorbs yellow colour light, it will look like it

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

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

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

20) Which of the following process is endothermic?

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

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

23) Alkaline earth metals form _______ oxide at normal conditions

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

25) Sodium reacts with water more vigorously than lithium because