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1) Sodium reacts with water more vigorously than lithium because

2) Which of the following process is endothermic?

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

4) Alkaline earth metals form _______ oxide at normal conditions

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

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

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

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

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

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

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

12) Choose the correct statement

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

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

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

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) Which of the following group has the highest electrical conductivity

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

20) Choose the incorrect statement

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

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

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

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

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