2.3 Isotopes And Relative Atomic Mass (GCSE Chemistry)

The following is a GCSE Chemistry test covering '2.3 Isotopes And Relative Atomic Mass'

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What isotope is used to define the atomic mass scale?

What do letters A and Z represent in atomic notation?

Two chlorine isotopes are Cl-35 and Cl-37. How do their neutrons differ?

How many protons are in Carbon-14?

What is the most abundant isotope of chlorine?

Which of the following is an isotope of hydrogen?

An isotope with atomic number 17 and mass number 35 has how many neutrons?

What does the mass number of an atom represent?

An isotope has 6 protons and 7 neutrons. What is its mass number?

The relative atomic mass of chlorine (35.5) tells us that:

Relative atomic mass is a measure of:

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