Atomic & Mass Number (OCR GCSE Physics A, Combined (Gateway Science Suite)): Quizzes
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Practise the questions
10 questions from this quiz
What is the atomic number of an element?
What is the atomic number of an element?
The 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 of an atom?
What is the mass number of an atom?
Protons plus neutrons
What are isotopes?
What are isotopes?
Atoms of same element, different neutrons
What differs between isotopes of the same element?
What differs between isotopes of the same element?
Mass 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