Cambridge IGCSE Combined Science practice
Try the question first, then check the answer and practise the same topic again.
At a glance
3
Paper
2
Marks
Topic
Atomic structure and the Periodic Table
Exam-style question
Understanding Atomic Charge
Description
In a neutral atom, the number of protons equals the number of electrons, resulting in no overall charge.
Explain why an atom is neutral.
Aim for approximately 2 distinct marking points.
0 of 1 part answered
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Flashcard 1 of 6
Question 1 of 5
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Description
An atom consists of a nucleus surrounded by electrons. The nucleus contains protons and neutrons, while electrons are arranged in shells around the nucleus.
Describe the structure of an atom.
Aim for approximately 3 distinct marking points.