1.gives the correct order for atomic radius for Mg, Na, P, Siand Ar?
2.Which one of the following elements is the most metallic? a.Arb.K c.Mg d.Al e,Na
3.A gas mixture of Ne and Ar has a total pressure of 4.00 barand contains 16.0 mol of gas. If the partial pressure of Ne is 2.75bar, how many moles of Ar are in the mixture?
4.Which statements about viscosity are generally true?
(i) Viscosity increases as temperature decreases.
(ii) Viscosity increases in a series of related compounds asmolecular mass increases.
(iii) Viscosity increases as intermolecular forces increase.
5.The standard cell potential (E°cell) of thereaction below is -0.55 V. What is ΔG° (kJ/mol) for thereaction?
I2(s) + 2 Br-(aq) → 2 I-(aq) +Br2(l)
