Question

Can someone explain how to do this:
1. What is the missing number in the molecule CH?Br

2.What is the proton donor?
NH3 (aq) + H2O (l) ⇔ NH4+ (aq) + OH- (aq)

Answer 1

3.) How many hydrogens are in the structure?

Answer 2

Each carbon is denoted as a point, remember also each carbon unless charged has 4 bonds, Hydrogens not attached to functional groups are normally note included

Answer 3

for example

Answer 4

https://www.youtube.com/watch?v=RP6AS7XVIC8

watch this video

Answer 5

or this guide

http://www.chemguide.co.uk/basicorg/conventions/draw.html