ans the question 3 mark question
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Answered by
1
Explanation:
(i) atomic number:
x=3
y=6
z=7
(ii)mass number:
x=7
y=12
z=14
Answered by
1
Answer:
atomic number
x=3
y=6
z=7
Explanation:
mass number
x=7
y=12
z=14
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