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1) Sodium reacts with water more vigorously than lithium because

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

3) Choose the incorrect statement

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

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

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

8) Which of the following process is endothermic?

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

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

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

12) Choose the correct statement

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

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

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

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

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

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

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

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

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

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

23) Alkaline earth metals form _______ oxide at normal conditions

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

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