Question
CCEA Unit 1 Paper
An atom is represented as ⁵⁶_₂₆ Fe.
(a) State the number of protons in the nucleus. (1 mark) (b) State the number of neutrons in the nucleus. (1 mark) (c) State the number of electrons in the neutral atom. (1 mark) (d) A different isotope of iron has 28 neutrons. Write down the nuclear notation for this isotope. (1 mark)
4 marks · take your time before peeking.
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Generated by TopMyGrade AI · cross-check official sources before relying on the mark-scheme phrasing.