Atomic & Mass Number (AQA GCSE Physics): Quizzes
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Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is the atomic number of an element?
What is the atomic number of an element?
The number of protons
What do all atoms of the same element have in common?
What do all atoms of the same element have in common?
Same number of protons
In a normal atom, how do the numbers of protons and electrons compare?
In a normal atom, how do the numbers of protons and electrons compare?
They are equal
What is the mass number?
What is the mass number?
Neutrons plus protons
What are isotopes?
What are isotopes?
Same protons, different neutrons
What differs between isotopes of the same element?
What differs between isotopes of the same element?
Mass numbers
What remains the same for all isotopes of an element?
What remains the same for all isotopes of an element?
Proton number
An atom has mass number and atomic number . How many neutrons does it have?
An atom has mass number and atomic number . How many neutrons does it have?
What is the process called when atoms lose or gain electrons?
What is the process called when atoms lose or gain electrons?
Ionisation
What are atoms called after they have lost or gained electrons?
What are atoms called after they have lost or gained electrons?
Ions
What charge do ions have if they have lost electrons?
What charge do ions have if they have lost electrons?
Positive
What charge do ions have if they have gained electrons?
What charge do ions have if they have gained electrons?
Negative