A-Level
AQA
Physics (UK)
October 2020
QP-202010-Physics-U2-Local · Question 8
Question (excerpt):
0 8 What is the number of up quarks and down quarks in a Be 4 9 nucleus? [1 mark] Number of up quarks Number of down quarks A 11 16 B 13 14 C 14 13 D 16 11
0 8 What is the number of up quarks and down quarks in a Be 4 9 nucleus? [1 mark] Number of up quarks Number of down quarks A 11 16 B 13 14 C 14 13 D 16 11
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