CH-130
Proton and nucleon numbers
Chemistry · Secondary 3 · Easy · Proton and nucleon numbers
An atom has the symbol
. How many neutrons are there in one atom of X?
. How many neutrons are there in one atom of X?
- 9
- 10
- 19
- 28
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.