We want to find how much charge is on the
electrons in a nickel coin. Follow this method.
A nickel coin has a mass of about 5.5 g.
Find the number of atoms in a nickel coin.
Each mole (6.02 × 1023 atoms) has a mass of
about 57.9 g.
1. 4.89516 × 1022
2. 4.68685 × 1022
3. 4.5827 × 1022
4. 4.791 × 1022
5. 5.10346 × 1022
6. 4.47855 × 1022
7. 4.37439 × 1022
8. 5.62422 × 1022
9. 5.71848 × 1022
10. 5.79244 × 1022
Answer in units of atoms.
Part Two ( ALL PARTS CORRELATE TO EACHOTHER)
Find the number of electrons in the coin. Each
nickel atom has 28 electrons/atom.
1. 1.42897 × 1024
2. 1.16651 × 1024
3. 1.45813 × 1024
4. 1.31232 × 1024
5. 1.60117 × 1024
6. 1.67981 × 1024
7. 1.73773 × 1024
8. 1.28316 × 1024
9. 1.34148 × 1024
10. 1.22483 × 1024
Answer in units of electrons
Part Three
Find the magnitude of the charge of all these
electrons.
1. 2.33619 × 105
2. 2.10257 × 105
3. 1.86895 × 105
4. 1.9624 × 105
5. 2.69135 × 105
6. 2.56537 × 105
7. 2.38291 × 105
8. 2.28946 × 105
9. 2.52308 × 105
10. 2.42544 × 105
Answer in units of C.
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