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

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

3) Paramagnetic behaviour of an atom, ion or molecule is due to the presence of

4) Which of the following process is endothermic?

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

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

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

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

9) Choose the incorrect statement

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

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

12) Choose the correct statement

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

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

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

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

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

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

19) Sodium reacts with water more vigorously than lithium because

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

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

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

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

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

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