Fsc Part 2 Chemistry Online Test-Chapter 1 Periodic Classification of Elements and Periodicity

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Sr.#	Question	Answer
1	Mark the correct statement.	A. Na+ is smaller than Na atom B. Na+ is large than Na atom C. Cl- is smaller than Cl atom D. cl- and Cl are equal in size
2	Which of the following element has lowest ionization energy	A. Beryllium B. Boron C. Carbon D. Oxygen
3	Variable valency is generally exhibited by	A. Transition elements B. Alkali metals C. s-block elements D. Gaseous elements
4	Element of which group reacts with hydrogen and form ionic hydrides.	A. II A B. IV A C. V A D. VI A
5	Fluorine is in group VII A of periodic table. Its chemistry will most closely resembles that of.	A. Argon B. Boron C. Iodine D. Sulphur
6	Hydrogen resembles in properties with	A. IA, IV A and VII A elements B. III A, IV A and V A elements C. II A, IV A and VI A elements D. II A, III A and VII A elements
7	In which one of the following sets do all three particles have same number of total electrone	A. F- ,Cl-,Br- B. Li+ , Na+ , K+ C. N^--3, O-2, F-, D. Na+, Mg+2, K+
8	Keeping in view size of atoms ,which order is the correct one.	A. Mg > Sr B. Ba > Mg C. Lu > Ce D. Cl > I
9	In which group, melting point and boiling point increase downward in a group	A. IA B. II A C. VII A D. Both a and b
10	Which element has lowest melting point	A. Beryllium B. Magnesium C. Calcium D. Barium