Chapter 4: Periodic Table & Periodicity Chemistry Mcqs for High School - Grade 9


Q.  Across the period the atomic size decreases due to

a. shielding effect
b. photoelectric effect
c. increase in nuclear force of attraction
d. decrease in nuclear force of attraction


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  Elements are arranged in order of
Category: Chemistry Mcqs,   Published by: teswesm
MCQs:  The decrease in the force of attraction between valence electrons and nucleus by inner electrons is called
Category: Chemistry Mcqs,   Published by: teswesm
MCQs:  The process in which the solid changes directly into vapors without changing in the liquid state is called
Category: Chemistry Mcqs,   Published by: teswesm
MCQs:  Conversion of a liquid to a gas at all temperatures is called
Category: Chemistry Mcqs,   Published by: teswesm
MCQs:  The temperature at which the solid starts melting is called
Category: Chemistry Mcqs,   Published by: teswesm
MCQs:  At constant pressure the average kinetic energy of gas molecules increases 2 times if
Category: Chemistry Mcqs,   Published by: teswesm
MCQs:  The average kinetic energy of gas molecules is directly proportional to
Category: Chemistry Mcqs,   Published by: teswesm
MCQs:  The mathematical expression that describes Boyle's law is
Category: Chemistry Mcqs,   Published by: teswesm
MCQs:  For a certain reaction PV = 2 dm3 atm and volume is 4 dm3 then the corresponding pressure is
Category: Chemistry Mcqs,   Published by: teswesm
MCQs:  The molecules of liquid which escape first have
Category: Chemistry Mcqs,   Published by: teswesm
MCQs:  The pressure that vapors apply on the surface of the liquid at equilibrium is called
Category: Chemistry Mcqs,   Published by: teswesm
MCQs:  On increasing the temperature of amorphous solid they
Category: Chemistry Mcqs,   Published by: teswesm
MCQs:  The movement of molecules from higher concentration to lower concentration is called
Category: Chemistry Mcqs,   Published by: teswesm
MCQs:  At Mount Everest, the water boils at
Category: Chemistry Mcqs,   Published by: teswesm
MCQs:  The barometer is invented by
Category: Chemistry Mcqs,   Published by: teswesm
MCQs:  The melting and freezing of a substance occurs as
Category: Chemistry Mcqs,   Published by: teswesm
MCQs:  If the liquid is heated to increase the kinetic energy then the liquid will
Category: Chemistry Mcqs,   Published by: teswesm
MCQs:  Solids whose atoms arrange themselves in different forms are
Category: Chemistry Mcqs,   Published by: teswesm
MCQs:  The process in which the vapor molecules are recaptured by the molecules at the liquid surface is called
Category: Chemistry Mcqs,   Published by: teswesm
MCQs:  1 atmospheric pressure is equal to
Category: Chemistry Mcqs,   Published by: teswesm