Particles in an atom (AQA GCSE Chemistry Combined Science): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What are the three subatomic particles found in atoms?
What are the three subatomic particles found in atoms?
Protons, neutrons, electrons
What is the charge of a proton?
What is the charge of a proton?
Positive
What is the charge of a neutron?
What is the charge of a neutron?
No charge (neutral)
What is the charge of an electron?
What is the charge of an electron?
Negative
What does the atomic number tell you?
What does the atomic number tell you?
How many protons are in an atom
Why is the atomic number unique to each element?
Why is the atomic number unique to each element?
No two elements have the same atomic number
Why do atoms have no overall electrical charge?
Why do atoms have no overall electrical charge?
Protons and electrons balance out
In a neutral atom, how many electrons are there compared to protons?
In a neutral atom, how many electrons are there compared to protons?
Same number
What does the mass number represent?
What does the mass number represent?
Protons + neutrons
An atom has mass number 27 and atomic number 13. How many neutrons does it have?
An atom has mass number 27 and atomic number 13. How many neutrons does it have?
14
An atom has 17 protons and 18 neutrons. What is its mass number?
An atom has 17 protons and 18 neutrons. What is its mass number?
35
Where are protons and neutrons located in an atom?
Where are protons and neutrons located in an atom?
In the centre (nucleus)