Proton has a positive charge
Neutron has no charge and has the combined mass of a proton and electron
A C and D are all correct, Helium and Hydrogen only have a 1s orbital, and helium has 2 protons, while hydrogen has 1, and finally Hydrogen has no neutrons while helium has 2. Helium does not however have 8 valence electrons as the 1s orbital can only hold 2, meaning B is the “correct” (false) answer.
The only products will be carbon dioxide and water.
2C₂H₂ + 5O₂ → 4CO₂ + 2H₂O
A superconductor performs best at very cold temperatures.
Answer: They lose them :)
Explanation:
