Atomic structure and isotopes (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 is the charge of an electron?
What is the charge of an electron?
-1
Where in an atom are protons and neutrons found?
Where in an atom are protons and neutrons found?
In the nucleus
Where is almost all of an atom's mass located?
Where is almost all of an atom's mass located?
In the nucleus
What does the atomic number tell us?
What does the atomic number tell us?
Number of protons only
How do you calculate the mass number of an atom?
How do you calculate the mass number of an atom?
Protons + neutrons
What is the approximate radius of an atom?
What is the approximate radius of an atom?
m
What is different between isotopes of the same element?
What is different between isotopes of the same element?
Number of neutrons
What is the same in all isotopes of an element?
What is the same in all isotopes of an element?
Number of protons
How many neutrons are in chlorine-37?
How many neutrons are in chlorine-37?
20
If Cl is 75% Cl-35 and 25% Cl-37, what is the relative atomic mass?
If Cl is 75% Cl-35 and 25% Cl-37, what is the relative atomic mass?
35.5
Why do isotopes of an element react the same way chemically?
Why do isotopes of an element react the same way chemically?
Same number of electrons
What determines how atoms bond and react with other atoms?
What determines how atoms bond and react with other atoms?
Electrons