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This question is about Group 1 elements.

Complete the table below to show the electronic structure of a potassium atom.

Atom	Number of electrons	Electronic structure
Lithium	3	2,1
Potassium	19	?

[1]

Why do Group 1 elements exhibit very similar chemical properties? Select one option:

A. They all have the same number of occupied electron shells.
B. They all have exactly one electron in their outermost shell.
C. They all have a complete outer shell of electrons.
D. They easily share a pair of electrons to form covalent bonds with non-metals.

[1]

What is the primary type of chemical bonding present within a bulk sample of sodium metal? Select one option:

A. Covalent
B. Ionic
C. Metallic

[1]

Which gas is evolved when rubidium (a Group 1 element) reacts with water? Select one option:

A. Carbon dioxide
B. Chlorine
C. Hydrogen
D. Oxygen

[1]

Sodium fluoride ( $NaF\text{NaF}$ ) is an ionic compound formed from sodium and fluorine.

State the electronic configuration and charge of the sodium ion ( $Na+\text{Na}^+$ ) formed.
State the electronic configuration and charge of the fluoride ion ( $F−\text{F}^-$ ) formed.

[4]

The periodic table Questions

Practise AQA GCSE Chemistry The periodic table with exam-style questions for Foundation and Higher tier. 25 questions, matched to the AQA GCSE Chemistry (8462) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.