1. The table shows atomic numbers, protons, neutrons, electrons, and atomic masses for various elements.
2. For an element with atomic number 91 (Pa), the number of protons is 91, neutrons are 140, electrons are 91, and atomic mass is 231.
3. For an element with atomic number 82 (Pb), the number of protons is 82, neutrons are 125, electrons are 82, and atomic mass is 207.
4. For an element with atomic number 92 (U), the number of protons is 92, neutrons are 146, electrons are 92, and atomic mass is 238.
5. For an element with atomic number 83 (Bi), the number of protons is 83, neutrons are 126, electrons are 83, and atomic mass is 209.
6. For an element with atomic number 93 (Np), the number of protons is 93, neutrons are 144, electrons are 93, and atomic mass is 237.
7. For an element with atomic number 84 (Po), the number of protons is 84, neutrons are 125, electrons are 84, and atomic mass is 209.
8. For an element with atomic number 94 (Pu), the number of protons is 94, neutrons are 145, electrons are 94, and atomic mass is 239.
9. For an element with atomic number 85 (At), the number of protons is 85, neutrons are 125, electrons are 85, and atomic mass is 210.
10. For an element with atomic number 95 (Am), the number of protons is 95, neutrons are 148, electrons are 95, and atomic mass is 243.
11. For an element with atomic number 86 (Rn), the number of protons is 86, neutrons are 136, electrons are 86, and atomic mass is 222.
12. For an element with atomic number 96 (Cm), the number of protons is 96, neutrons are 151, electrons are 96, and atomic mass is 247.
Parent Tip: Review the logic above to help your child master the concept of calculating protons neutrons and electrons worksheet.
