Isotopes (Grade 10 NSC Matric Physical Sciences): Quizzes
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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
What determines the chemical behaviour of an element?
What determines the chemical behaviour of an element?
The number of protons and electrons
What do all isotopes of the same element have in common?
What do all isotopes of the same element have in common?
Same atomic number
How do isotopes of the same element differ from each other?
How do isotopes of the same element differ from each other?
Different numbers of neutrons
Why do isotopes have the same chemical properties?
Why do isotopes have the same chemical properties?
They have the same electron arrangement
In the isotope notation E-A, what does A represent?
In the isotope notation E-A, what does A represent?
The mass number
How many neutrons does contain?
How many neutrons does contain?
18 neutrons
What is the natural abundance of on Earth?
What is the natural abundance of on Earth?
75%
What is the average atomic mass of chlorine given (75%, 35 u) and (25%, 37 u)?
What is the average atomic mass of chlorine given (75%, 35 u) and (25%, 37 u)?
35.5 u
What defines an element's identity?
What defines an element's identity?
The number of protons