I am doing science, periodic table. what is an element that has 0 neutrons? I even searched online and it said that's not an element‍♂️‍♀️

Which of the following statements is false regarding aromaticity? a. the compound must be cyclic b. the compound must be fully conjugated c. the compound must be planar d.the number of electrons in the pi system must satisfy the hückel 4n+2 rule e. the compound must have a neutral charge

Ineed to find the answer of this question because i dont understand it

What is the correct equation for cellular respiration?