How much positive charge is in 1.3 kg of helium? The atomic weight (4.0026 g) of helium contains Avogadro’s number of atoms, with each atom having 2 protons and 2 electrons. The elemental charge is 1.602 × 10−19 C and Avogadro’s number is 6.023 × 1023 . 1. 3.65671 × 107 2. 3.37722 × 107 3. 4.1138 × 107 4. 4.71084 × 107 5. 2.91926 × 107 6. 6.26767 × 107 7. 5.83852 × 107 8. 1.14874 × 108 9. 7.17219 × 107 10. 2.74253 × 107 Answer in units of

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