Alevel physics
could somebody please help me with the following questions about specific charge
1) What is the specific charge of a neutral Sr atom with mass number 88 proton number 38
2) What is the specific charge of a Cu atom that has lost 2 electrons mass number 64 proton number proton number 29
3) What is the specific charge of the atom I which has gained 1 electron mass number 127 proton number 53
1) What is the specific charge of a neutral Sr atom with mass number 88 proton number 38
2) What is the specific charge of a Cu atom that has lost 2 electrons mass number 64 proton number proton number 29
3) What is the specific charge of the atom I which has gained 1 electron mass number 127 proton number 53
Charge of an atom is quantised and is given by +Ze where Z is the atomic number of the element/isotope and e is the elementary charge.
Original post by daveeades
could somebody please help me with the following questions about specific charge
1) What is the specific charge of a neutral Sr atom with mass number 88 proton number 38
2) What is the specific charge of a Cu atom that has lost 2 electrons mass number 64 proton number proton number 29
3) What is the specific charge of the atom I which has gained 1 electron mass number 127 proton number 53
1) What is the specific charge of a neutral Sr atom with mass number 88 proton number 38
2) What is the specific charge of a Cu atom that has lost 2 electrons mass number 64 proton number proton number 29
3) What is the specific charge of the atom I which has gained 1 electron mass number 127 proton number 53
A coincidence that another student asked the same question (referring to the first question)
See https://www.thestudentroom.co.uk/showthread.php?t=7396803&p=98793087#post98793087
From https://www.studysmarter.co.uk/explanations/physics/radiation/specific-charge/
And https://www.savemyexams.com/a-level/physics/aqa/17/revision-notes/2-particles--radiation/2-1-atomic-structure--decay-equations/2-1-1-atomic-structure/#:~:text=Calculating%20Specific%20Charge&text=To%20calculate%20the%20specific%20charge,1.60%20%C3%97%2010%E2%80%9319%20C)
2) +((1.6022 x 10^-19) x 2))/(64 x 1.67 x 10^-27) = +2998128.743
3) -1.6022 x 10^-19)/(127 x 1.67 x 10^-27) = -755434.0139
please check with your own calculations, I am not a physics student
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