B) there is an unequal number of electrons and protons
hydrogen (H2),and oxygen (O2),, that is the answer
Answer: 204 L
Explanation:
According to ideal gas equation:

P = pressure of gas = 0.262 atm
V = Volume of gas = ?
n = number of moles = 
R = gas constant =
T =temperature =


Thus volume occupied by 11.7 g of Helium in a balloon is 204L
Answer:
Paraffin wax (or petroleum wax) is a soft colorless solid, derived from petroleum, coal or shale oil, that consists of a mixture of hydrocarbon molecules containing between twenty and forty carbon atoms. It is solid at room temperature and begins to melt above approximately 37 °C.