Platforms
Make a He atom with a mass of 4. How many protons did you put in the nucleus?
The electron is found at .
A
Which region is indicated by label A?
B
B =
Which element has an atomic number of 16?
40
8
Make a Li atom with a mass number of 7. How many electrons did you place in the outermost orbital (ring)?
The proton is found at .
C
C =
Ca
O
Make a N atom with a mass number of 14. How many neutrons are in the nucleus?
F
Fe
Make a B atom with a mass number of 11. How many electrons did you put in the second orbital (ring)?
Did you find these answers helpful?
Instruction