Atomic structure and isotopes (AQA GCSE Chemistry): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
How many types of particles do all atoms contain?
How many types of particles do all atoms contain?
Three types
What is the charge of a proton?
What is the charge of a proton?
Positive (+1)
What are the properties of a neutron?
What are the properties of a neutron?
No charge, mass of 1
Which particle has very little mass?
Which particle has very little mass?
Electron
Where are protons and neutrons found in an atom?
Where are protons and neutrons found in an atom?
In the nucleus
What does the mass number represent in atomic notation?
What does the mass number represent in atomic notation?
Total protons + neutrons
What does the atomic number tell you?
What does the atomic number tell you?
Number of protons only
For sodium , how many neutrons are present?
For sodium , how many neutrons are present?
12 neutrons
What is the radius of a whole atom?
What is the radius of a whole atom?
metres
How does the nucleus size compare to the whole atom?
How does the nucleus size compare to the whole atom?
Less than 1/10000th the size
What are isotopes?
What are isotopes?
Atoms with same protons, diff. neutrons
Calculate relative atomic mass: 75% chlorine-35 and 25% chlorine-37.
Calculate relative atomic mass: 75% chlorine-35 and 25% chlorine-37.
35.5