Atoms & The Periodic Table

Ryan Brace
Mind Map by Ryan Brace, updated more than 1 year ago
Ryan Brace
Created by Ryan Brace about 4 years ago


- Atoms - Periodic Table - Electron Shells - Compounds

Resource summary

Atoms & The Periodic Table
1 Atoms
1.1 Electrons
1.1.1 Negative Charge
1.1.2 Move around the Nucleus
1.1.3 Occupy Shells
1.1.4 If Electrons are added/removed the atom then becomes an Ion
1.2 Nucleus
1.2.1 In the middle of an Atom
1.2.2 Contains Protons & Neutrons Positive Protons Number of Protons = Number of Electrons Neutral Neutrons Overall positive charge
2 Periodic Table
2.1 Columns
2.1.1 These are called Groups Each Group have the same number of Electrons in their outer shell Therefore the properties are similar Group 0 are Noble Gases This means they have a full outer shell They are stable and unreactive
2.2 Numbers
2.2.1 The top number is the Mass Number Number of Protons & Neutrons
2.2.2 Bottom number is the Atomic Number Number of Electrons
2.2.3 To find the Neutrons it's Mass Number - Atomic Number
3 Electron Shells
3.1 Rules
3.1.1 Electrons occupy shells
3.1.2 There are usually 3 shells First - 2 Electrons Second - 8 Electrons Third - 8 Electrons
3.1.3 A full outer shell means the Element is unreactive Unless full the Element will react
3.2 Carbon Electron Shells
3.2.1 2 electrons on first shell
3.2.2 4 electrons on outer shell
4 Compounds
4.1 Formed
4.1.1 Different Elements react forming Chemical Bonds Forms a Compund Making Bonds involves taking and sharing Electrons
4.2 Bonding
4.2.1 Ionic Bonding Occurs when metals and non-metals bond Consists of Ions The metal loses Electrons Forms positive charge The non-metal gains Electrons Forms negative charge The opposite charge causes the atoms to be attracted Forms a compound E.g. NaCl Sodium Atom gives an electron to Chlorine Atom
4.2.2 Covalent Bonding Occurs when two non-metals bond Consists of Molecules Each Atom shares an Electron They have to share so they can have a full outer shell Must have enough Covalent Bonds to do so E.g HCl The Hydrogen bonds with the Chlorine by sharing an Electron
4.3 Formulas
4.3.1 Carbon Dioxide 1 Carbon Atom 2 Oxygen Atoms
4.3.2 Calcium Hydroxide 1 Calcium Atom 2 Oxygen Atoms & 2 Hydrogen Atoms These have brackets around them, with a little '2' next to it
Show full summary Hide full summary


Acids and Bases
Sarah Egan
Acids and Bases quiz
Derek Cumberbatch
Ionic Bondic Flashcards.
Chemistry Quiz General -3
Using GoConqr to study science
Sarah Egan
The Periodic Table
Chemistry General Quiz - 2
AS Chemistry - Enthalpy Changes
Sarah H-V
Chemistry Module C2: Material Choices
James McConnell
Acids and Bases