Search for notes by fellow students, in your own course and all over the country.
Browse our notes for titles which look like what you need, you can preview any of the notes via a sample of the contents. After you're happy these are the notes you're after simply pop them into your shopping cart.
Title: Atomic Structure
Description: A very very simple glossary for people just beginning chemistry.
Description: A very very simple glossary for people just beginning chemistry.
Document Preview
Extracts from the notes are below, to see the PDF you'll receive please use the links above
Study notes
Atomic Number
Atomic structure
Atomic Mass
Neutron
The atomic number of an atom is deļ¬ned by the number of protons in its
nucleus
...
It has
no charge and a spin of 1/2
...
Proton
According to Bohr's model, electrons can only be arranged into different
A positively charged elementary partial that can be found in the nucleus of
an atom
...
They are slightly lighter than neutrons with a mass of
1
...
The amount of electrons each shell is capable of holding
is given by the equation 2n^2, where n is the shell number
Ions
Electron
Ions are atoms that have either gained or lost electrons and therefore have a
charge
...
A negatively charged elementary particle that is found in the electron cloud
surrounding an atom
...
Has a charge of
Electron clouds
1
...
108 x 10^-31 kilograms,
approximately 1/1800 of the mass of a proton
...
Charge
Electrons are negatively charged and are attracted to the positively charged
protons
...
Atoms are electrically neutral, which means they have the same amount of
protons and electrons
Title: Atomic Structure
Description: A very very simple glossary for people just beginning chemistry.
Description: A very very simple glossary for people just beginning chemistry.