How many sub-chains will there be in 2,2,4-trimethylpentane?

2,2,4-Trimethylpentane, also known as isooctane or iso-octane, is an organic compound with the formula₃CCH₂CH(CH₃)₂. It is one of several isomers of octane. This particular isomer is the standard 100 point on the octane rating scale. It is an important component of gasoline, frequently used in relatively large proportions to increase the knock resistance of the fuel.

If a hydrogen atom is neutral, it must also have  one electron. an oxygen atom (o) has an atomic number of eight (8). this means a neutral oxygen atom has eight protons and eight electrons. the element actium (ac) has an atomic number of 89, so it has 89 protons and 89 electrons in a neutral atom