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?

Why are isotopes chemically alike?

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

What symbol is used to represent the atomic number?

Relative atomic mass is a measure of:

What are isotopes typically used for in medicine?

Which of the following is an isotope of hydrogen?

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

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

What is used to define the atomic number of an atom?

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

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