Atomic Structure and Isotopes (OCR A-Level Chemistry A): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the relative mass of an electron?
What is the relative mass of an electron?
What does the atomic number of an element represent?
What does the atomic number of an element represent?
Number of protons in the nucleus
How many neutrons are in ?
How many neutrons are in ?
What are isotopes?
What are isotopes?
Atoms with different neutrons, same protons
Why do isotopes of the same element have identical chemical properties?
Why do isotopes of the same element have identical chemical properties?
They have the same number of electrons
What is the overall charge of an atom?
What is the overall charge of an atom?
Zero
What is the role of neutrons in the nucleus?
What is the role of neutrons in the nucleus?
Act as "glue" holding nucleus together
Heavy water () has a density of 1.11 g cm⁻³. What is normal water's density?
Heavy water () has a density of 1.11 g cm⁻³. What is normal water's density?
1.00 g cm⁻³
How many electrons does contain?
How many electrons does contain?
What property determines which element an atom belongs to?
What property determines which element an atom belongs to?
Number of protons