CIE Physical Chemistry Quizz 1

Welcome to your CIE Physical Chemistry Quizz 1

What is the concentration of the solution when 16g of sodium chloride is dissolved in 250 cubic centimeters of water?
Avogadro's Constant can be used for
How many atoms of magnesium are present in 18g sample of magnesium metal?
What is the bond angle of H-O-H in water?
Isotopes have similar chemical properties because they have the same
Three isotopes of a newly discovered element X are 117-X (relative abundance 15), 119-X (relative abundance 25) and 121-X (relative abundance 60). What is the relative atomic mass of element X?
Atomic mass of the ion of an element A+ is 23 and it has 10 electrons. How many protons, neutrons and electrons are present in the neutral atom A?
One mole of gaseous atoms forms one mole of gaseous ions with a single positive charge in __________?
Which of the following is not true about ionization energies of an element?
What is the correct order of energies of subshells?
How many atomic orbitals are there is d subshell?
What is the bond angle of H-O-H in water?
Which of the following statements is correct?
I. Polar molecules are symmetrical
II. Non polar molecules can contain polar bonds
III. Van der waals forces occur due to temporary dipoles
What type of bonding exists in ammonium chloride (NH4Cl)?
Calculate the mass of nitrogen gas that has a pressure of 100 kPa, temperature 25 degree centigrate , volume 500 cubic centimeters? (R = 8.31)