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

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Sr.#	Question	Answer
1	The first ionization energy of Na, Mg, Al and Si are in theorder of.	A. Na < Mg < Al < Si B. Na > Mg> Al> Si C. Na > Mg< Al< Si D. Na< Mg> Al< Si
2	In which group of periodic table is the element which has atomic number 14.	A. II B. IV C. III D. VI
3	Which the correct statement	A. Cl^-is smaller than Cl atom B. Cl^-(Ion) and Cl (atom) are equal in size C. Na⁺is smaller than Na atom D. Na⁺is larger than Na atom
4	Which of the following are alkaline earth metals?	A. Be, Mg, Ca B. Li, Na, K C. Fe, CO, Ni D. B, Al, Ga
5	Which element has lowest melting point	A. Beryllium B. Magnesium C. Calcium D. Barium
6	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+
7	Across a period from left to right in the periodic table, the melting and boiling point.	A. Decrease B. Increase C. Remain constant D. First increase upto the middle of period and then decrease
8	Ionization energy of calcium is.	A. Lower than that of barium B. Lower than that of magnesium C. Higher than that of beryllium D. Lower than that of strontium
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 statement is incorrect.	A. All the metals are good conductors of electricity B. All the metals are good conductor of heat C. All the metal form positive ions D. All the metal form acidic oxides