Read the instructions and answer

laughing this question is a joke I think at first .

Explanation:

there are many mistakes : electrons are revolving in shell or orbits around the nucleus.

first shell always has two electron

after first shell , all shells contains eight electrons

electron have negative charge

proton have positive charge

nucleus have no charge

atom is neutral becoz the + charge of proton. and - charge of electron cancel each other's effect and atom is stable and neutral

the dependant variable is spilled water

the independent is the heat