Practice questions

A free sample of Brainlag Learn questions. Choose a course, then filter by topic and difficulty. Each question opens in Learn, where it is marked and explained.

Course Topic Difficulty

1415 questions

Practice questions	Topic	Difficulty
Neutrons in an isotope	GCSE Chemistry: Atomic structure and the periodic table	1 mark
What isotopes have in common	GCSE Chemistry: Atomic structure and the periodic table	1 mark
Relative atomic mass from two isotopes	GCSE Chemistry: Atomic structure and the periodic table	2 marks
Relative atomic mass from three isotopes	GCSE Chemistry: Atomic structure and the periodic table	2 marks
Electronic structure	GCSE Chemistry: Atomic structure and the periodic table	1 mark
Mass number from protons and neutrons	GCSE Chemistry: Atomic structure and the periodic table	2 marks
Electrons in the outer shell	GCSE Chemistry: Atomic structure and the periodic table	1 mark
Electrons in an ion	GCSE Chemistry: Atomic structure and the periodic table	1 mark
Group and period from electronic structure	GCSE Chemistry: Atomic structure and the periodic table	1 mark
Mendeleev's table	GCSE Chemistry: Atomic structure and the periodic table	1 mark
Metal or non-metal	GCSE Chemistry: Atomic structure and the periodic table	1 mark
Finding an element from its group and period	GCSE Chemistry: Atomic structure and the periodic table	1 mark
Group 1 trend	GCSE Chemistry: Atomic structure and the periodic table	1 mark
Group 7 trend	GCSE Chemistry: Atomic structure and the periodic table	1 mark
Which halogen displacement happens	GCSE Chemistry: Atomic structure and the periodic table	1 mark
Products of a halogen displacement	GCSE Chemistry: Atomic structure and the periodic table	1 mark
Why noble gases are unreactive	GCSE Chemistry: Atomic structure and the periodic table	1 mark
Predicting a property from a trend	GCSE Chemistry: Atomic structure and the periodic table	1 mark
Transition metals and Group 1	GCSE Chemistry: Atomic structure and the periodic table	1 mark
Group 1 metals and water (6 marks)	GCSE Chemistry: Atomic structure and the periodic table	6 marks
Why reactivity increases down Group 1	GCSE Chemistry: Atomic structure and the periodic table	4 marks
Why reactivity decreases down Group 7	GCSE Chemistry: Atomic structure and the periodic table	4 marks
Halogen displacement, predicted and explained	GCSE Chemistry: Atomic structure and the periodic table	3 marks
Predicting a Group 1 metal from the trend	GCSE Chemistry: Atomic structure and the periodic table	5 marks
Noble gases: data and why they are unreactive	GCSE Chemistry: Atomic structure and the periodic table	4 marks
Group 1 and Group 7 trends compared (6 marks)	GCSE Chemistry: Atomic structure and the periodic table	6 marks
How an atom becomes an ion	GCSE Chemistry: Atomic structure and the periodic table	4 marks
How the model of the atom developed (6 marks)	GCSE Chemistry: Atomic structure and the periodic table	6 marks
Alpha scattering: numbers and conclusions	GCSE Chemistry: Atomic structure and the periodic table	4 marks
Why the neutron had to exist	GCSE Chemistry: Atomic structure and the periodic table	4 marks

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