Atomic & Mass Number (OCR GCSE Physics A (Gateway Science Suite)): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What does the atomic number tell us about an atom?
What does the atomic number tell us about an atom?
The number of protons
In a normal atom, how do the numbers of electrons and protons compare?
In a normal atom, how do the numbers of electrons and protons compare?
They are equal
What is the mass number of an atom?
What is the mass number of an atom?
Neutrons plus protons
What are isotopes?
What are isotopes?
Atoms of same element, different neutrons
What is the same in different isotopes of an element?
What is the same in different isotopes of an element?
The atomic number
How do you calculate the number of neutrons in an atom?
How do you calculate the number of neutrons in an atom?
Mass number minus atomic number
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