G2 Science (Chemistry) Periodic Table · question set

Try K223/K225 Periodic Table exam-style questions. Covers periodic arrangement, Groups 1, 17 and 18, metals/non-metals, reactivity, extraction and rust prevention. Transition elements are excluded.

SEC G2 Science Chemistry component 2027

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How are elements arranged in the Periodic Table?

In increasing proton number
In increasing nucleon number
By state at room temperature
By relative atomic mass only

An element has electron configuration 2,8,1. What are its period and group?

Period 3, Group 1
Period 1, Group 3
Period 3, Group 18
Period 2, Group 8

Which description matches Group 1 metals?

Soft metals with low densities
Diatomic non-metals
Dense gases
Unreactive monatomic elements

How do Group 17 halogens exist as elements?

Diatomic molecules
Single metal atoms
Giant ionic lattices
Positive ions only

Why are noble gases very unreactive?

They have full outer electron shells
They have no electrons
They are all metals
They form $1-$ ions easily

How does character change across Period 3 from sodium towards chlorine?

From metallic to non-metallic
From non-metallic to metallic
From noble gas to alkali metal
It remains entirely metallic

Which is the required order from most to least reactive?

$\ce{K, Na, Ca, Mg, Zn, Fe, Pb, H, Cu, Ag}$
$\ce{Ag, Cu, H, Pb, Fe, Zn, Mg, Ca, Na, K}$
$\ce{K, Ca, Na, Mg, Fe, Zn, H, Pb, Cu, Ag}$
$\ce{Na, K, Mg, Ca, Zn, Pb, Fe, Cu, H, Ag}$

Zinc is added to copper(II) sulfate solution. What happens?

Zinc displaces copper
Copper displaces zinc
No reaction because both are metals
Hydrogen is formed

Which statement links reactivity to obtaining metals from ores?

More reactive metals are generally harder to obtain from their stable compounds
More reactive metals always occur uncombined
Reactivity has no relationship to extraction
All metals use the same extraction method

Which conditions are both required for iron to rust?

Oxygen and water
Nitrogen and water
Oxygen only
Water only

What is the melting-point trend from lithium to sodium to potassium?

It decreases
It increases
It remains constant
No qualitative trend exists

Which statement describes halogen displacement?

A more reactive halogen displaces a less reactive halogen from its halide solution
A less reactive halogen displaces a more reactive one
Every halogen displaces every halide
Only metals take part

G2 Science (Chemistry) Periodic Table · question set

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