Periodicity

Which element is the most electronegative on the periodic table?

• Hydrogen

• Fluorine

• Francium

• Lithium

Which property of period 3 elements increases from sodium to argon?

I Nuclear charge

II Atomic radius

III Electronegativity

• I and II only

• I and III only

• II and III only

• all of them

Which metal nitrate solution is coloured?

• Zn(NO₃)₃

• Ni(NO₃)₂

• Mg(NO₃)₂

• Sc(NO₃)₃

Which of the following is not a property of metals?

• Conductor of electricity

• Ductile

• Easily reduced

• Malleable

If a complex absorbs light at 500nm what colour will the complex appear

• Purple

• Red

• Green

• Blue

Which of the following is a strong field ligand?

• Iodide

• Bromide

• Nitrite

• Cyanide

What is the periodic trend in electronegativity?

• Decreases across a period

• Increases across a period

• Increases down a group

• Remains constant

If light is absorbed at 700nm what colour is the compound?

• red

• purple

• Blue

• Green

What total charge is on the complex ion [Ni(NH₃)₆] if the nickel present is Ni(II)

• 0

• 1+

• 2+

• 3+

What happens to atomic radius as we cross a period?

• Stays constant

• Decreases

• Increases

• Varies