Sample Paper – 2011
Class – X

Subject – Chemistry---- MCQ----Periodic classification of elements

1.   The amount of energy when a neutral gaseous atom gain one electron is called

(a)   Ionisation energy (b) electron affinity (c) ionization potential (d) bond energy

 

2.   The energy required to remove an electron from an isolated gaseous atom is

(a)   electron affinity (b)ionization energy(c) ionization potential(d) bond energy

3.How metallic character changes in period from left to right?

(a)increases (b) decreases (c) increases and than decreases (d) no effect

 

4.The element having similar properties are placed in same

(a)period (b) group (c) both(d) none of these

 

5. Size of sodium ion is

(a) smaller (b) equal (c) greater (d)none of  these

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