Atoms, isotopes and ions (AQA GCSE Physics Combined Science): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What are isotopes?
What are isotopes?
Atoms with same protons, different neutrons
How many neutrons does carbon-13 have?
How many neutrons does carbon-13 have?
7 neutrons
What mass do electrons have?
What mass do electrons have?
0 (much lighter than protons)
How do positive ions form?
How do positive ions form?
Atoms lose electrons
Which radiation can cause electrons to escape from atoms?
Which radiation can cause electrons to escape from atoms?
UV light, X-rays, and gamma rays
What happens when an atom gains extra electrons?
What happens when an atom gains extra electrons?
It becomes a negative ion
What makes a normal atom neutral?
What makes a normal atom neutral?
Equal number of electrons and protons
How can high-energy alpha particles cause ionization?
How can high-energy alpha particles cause ionization?
They knock electrons out of atoms
What stays the same in all isotopes of an element?
What stays the same in all isotopes of an element?
Number of protons