Year 11 Periodicity Quiz

Which of the following atoms has the largest atomic radius?

• Na

• Mg

• K

• Ca

Which graph correctly shows the relationship between electronegativity and atomic number for the elements in Period 3?

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Which properties are most common in non-metals?

• low ionization energy and low electronegativity

• low ionization energy and high electronegativity

• high ionization energy and low electronegativity

• high ionization energy and high electronegativity

Which sequence correctly places the elements in order of increasing ionization energy?

• H → Li → Na → K

• I → Br → Cl → F

• O → S → Se → Te

• H → Be → Al → Ga

Which electron configuration shows the element with the smallest atomic radii?

• 1s² 2s² 2p⁶ 3s¹

• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s¹

• 1s² 2s² 2p⁶ 3s² 3p³

• 1s² 2s² 2p⁶ 3s² 3p⁵