The periodic table multiple choice questions – A-Level Chemistry (Edexcel International)

The Periodic Table

Total marks:0 / 18

1 of 18

This question is about trends in the periodic table.

Which trend is correct?

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2 of 18

Which equation represents the third ionisation energy for element J?

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3 of 18

The melting points of the period 3 elements sodium to aluminium are shown in the table below.

Table showing melting points of period 3 elements sodium, magnesium, and aluminium in Kelvin.

Which factor explains the increase in melting points from sodium to aluminium?

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4 of 18

Which factor helps to explain why the first ionisation energies of the group I elements decrease from lithium to sodium to potassium to rubidium?

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5 of 18

Which element has the second smallest atomic radius in its group and the third lowest first ionisation energy in its period?

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6 of 18

Why is the second ionisation energy of sodium larger than the second ionisation energy of magnesium?

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7 of 18

Consecutive elements X, Y and Z are in period 3 of the periodic table. Element Y has the highest first ionisation energy and the lowest melting point of these three elements.

What are the identities of X, Y and Z?

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8 of 18

Which statement best explains why nitrogen has a larger first ionisation energy than oxygen?

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9 of 18

Which change requires the largest amount of energy?

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10 of 18

Which element is classified as a d block element?

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11 of 18

Which element in period 3 has the highest melting point?

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12 of 18

The diagram shows how a property of period 3 elements varies across the period.

Graph showing the variation of a property across period 3 elements including Na, Mg, Al, Si, P, S, Cl, and Ar.

What is the property?

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13 of 18

Which element has the highest first ionisation energy?

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14 of 18

Which species will require the least energy for the removal of one electron?

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15 of 18

Which series represents atoms in order of decreasing atomic radius?

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16 of 18

The values for the first three successive ionisation energies for two elements X and Z are given.

Element	First ionisation energy (kJ mol^-1^)	Second ionisation energy (kJ mol^-1^)	Third ionisation energy (kJ mol^-1^)
X	520	7,300	11,800
Z	1,090	2,350	4,610

Which pair of elements represents X and Z?

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17 of 18

X, Y and Z represent the successive elements, Ne, Na and Mg, but not necessarily in that order.

	First ionisation energy (kJ mol^-1^)
X	2,081
Y	496
Z	738

What is the order of increasing atomic number?

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18 of 18

The graph shows the first ionisation energies of some consecutive elements.

Which statement is correct?

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Element

First ionisation energy (kJ mol^-1^)

Second ionisation energy (kJ mol^-1^)

Third ionisation energy (kJ mol^-1^)

520

7,300

11,800

1,090

2,350

4,610

First ionisation energy (kJ mol^-1^)

2,081

496

738

The Periodic Table - exam practice