How to Draw Dot and Cross Diagrams for Polyatomic Ions [GCE A Level Chemistry]
Learn the 5 steps on how to draw “dot-and-cross” diagrams for polyatomic ions. A polyatomic ion is an ion which contains more than one atom. #chemistry #alevel #dotandcross #polyatomic #ion
In this video, we will cover the following areas:
0:00 - Introduction
0:03 - What is a Polyatomic Ion?
0:12 - 5 Steps to draw ‘dot-and-cross’ diagrams for Polyatomic Ions
1:05 - Worked Example: Polyatomic Cation
2:18 - Worked Example: Polyatomic Anion
Music: Walk
Musician: @iksonmusic
Пікірлер: 8
You are the best! I've been stuck on this problem forever, you really helped me. Thank you very much.
@gradefruit
6 ай бұрын
Wow thanks for ur kind words! I appreciate it :D Glad that it clicked for u
Thank you, extremely easy and helpful video👍😁
@gradefruit
Жыл бұрын
Glad it helped!
But bromine has 8 electrons on outer shell
@tryingtolearnn
Жыл бұрын
Oh so bc it’s group 7 it’s just always negative 1
@gradefruit
Жыл бұрын
Bromine has 7 electrons on the outer shell because it is in Group 17, but a Bromide ion will have 8 electrons in its outer shell, hope that clarifies things!
@gradefruit
Жыл бұрын
@@tryingtolearnn yup!