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 makes two atoms isotopes?

Two isotopes of the same element have:

What makes some isotopes radioactive?

How do you calculate the number of neutrons in an atom?

What isotope is used to define the atomic mass scale?

Relative atomic mass is a measure of:

What is the most abundant isotope of chlorine?

What particles are located in the nucleus of an atom?

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

Why are isotopes chemically alike?

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

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