Twinkl Periodicity Multiple Choice Questions

What is the correct classification of the element mercury (Hg)?

• s-block

• p-block

• d-block

• f-block

Which of the following is an f-block element?

• aluminium

• calcium

• copper

• neodymium

What is periodicity?

• the change in a physical property as you go down a group of elements in the periodic table

• the decreasing trend in a physical property across a row of elements in the periodic table

• the increasing trend in a physical property across a row of elements in the periodic table

• the pattern in a physical property across a row of elements in the periodic table, which repeats in the next row

Which of the following elements has the largest atomic radius?

• chlorine

• phosphorus

• silicon

• sodium

Which of the following elements has the highest first ionisation energy?

• argon

• chlorine

• silicon

• sodium

Which of the following elements has the lowest first ionization energy?

• aluminium

• magnesium

• phosphorus

• silicon

Which of the following elements has the highest melting point?

• argon

• chlorine

• silicon

• sodium

Which of the following elements has the lowest melting point?

• argon

• chlorine

• phosphorus

• sulfur

Which statement is true about atomic radius across a period?

• Atomic radius decreases across a period because the amount of shielding increases.

• Atomic radius decreases across a period because the atoms have more protons.

• Atomic radius increases across a period because the atoms have more electrons.

• Atomic radius stays the same across a period because there is a similar amount of shielding.