Acknowledge that isotopes of an element can be radioactive due to having too many neutrons in the nucleus or because the nucleus is excessively heavy.

Quick explanation

Acknowledge that isotopes of an element can be radioactive due to having too many neutrons in the nucleus or because the nucleus is excessively heavy

• This point belongs to Radioactive decay, especially Radioactive decay outcomes.
• You need to be able to acknowledge that isotopes of an element can be radioactive due to having too many neutrons in the nucleus or because the nucleus is excessively heavy.
• The key ideas to know are Know.
• Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.