No, i think that they should have hyphenated it or something. Everyone should get credit for their own work. (lol says me, using brainly)
Answer:
C20H1404 you have to write it like smaller numbers if you understand
The mass number refers to the total number of protons and neutrons which can be found in the nucleus of the atom.
Answer:
These are the most common type of gas meter, seen in almost all residential and small commercial installations. Within the meter there are two or more chambers formed by movable diaphragms.