IGCSE
EDEXCEL
Science
5 Marks
QP-Science-202201-P1PR · Question 1
Question (excerpt):
4 1 (a) Bismuth‑207 is a gamma emitter and is represented by the symbol 207 83Bi How many neutrons are in the nucleus of an atom of bismuth‑207? (1) A 83 B 124 C 207 D 290 (b) Which of these gi…
4 1 (a) Bismuth‑207 is a gamma emitter and is represented by the symbol 207 83Bi How many neutrons are in the nucleus of an atom of bismuth‑207? (1) A 83 B 124 C 207 D 290 (b) Which of these gi…
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