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
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- 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
1.2.2.1 Positive Protons
1.2.2.1.1 Number of Protons = Number of Electrons
1.2.2.2 Neutral Neutrons
1.2.2.3 Overall positive charge
2 Periodic Table
2.1 Columns
2.1.1 These are called Groups
2.1.1.1 Each Group have the same number of Electrons in their outer shell
2.1.1.1.1 Therefore the properties are similar
2.1.1.2 Group 0 are Noble Gases
2.1.1.2.1 This means they have a full outer shell
2.1.1.2.1.1 They are stable and unreactive
2.2 Numbers
2.2.1 The top number is the Mass Number
2.2.1.1 Number of Protons & Neutrons
2.2.2 Bottom number is the Atomic Number
2.2.2.1 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
3.1.2.1 First - 2 Electrons
3.1.2.2 Second - 8 Electrons
3.1.2.3 Third - 8 Electrons
3.1.3 A full outer shell means the Element is unreactive
3.1.3.1 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
4.1.1.1 Forms a Compund
4.1.1.2 Making Bonds involves taking and sharing Electrons
4.2 Bonding
4.2.1 Ionic Bonding
4.2.1.1 Occurs when metals and non-metals bond
4.2.1.1.1 Consists of Ions
4.2.1.2 The metal loses Electrons
4.2.1.2.1 Forms positive charge
4.2.1.3 The non-metal gains Electrons
4.2.1.3.1 Forms negative charge
4.2.1.4 The opposite charge causes the atoms to be attracted
4.2.1.4.1 Forms a compound
4.2.1.4.1.1 E.g. NaCl
4.2.1.4.1.1.1 Sodium Atom gives an electron to Chlorine Atom
4.2.2 Covalent Bonding
4.2.2.1 Occurs when two non-metals bond
4.2.2.1.1 Consists of Molecules
4.2.2.2 Each Atom shares an Electron
4.2.2.2.1 They have to share so they can have a full outer shell
4.2.2.2.1.1 Must have enough Covalent Bonds to do so
4.2.2.2.1.1.1 E.g HCl
4.2.2.2.1.1.1.1 The Hydrogen bonds with the Chlorine by sharing an Electron
4.3 Formulas
4.3.1 Carbon Dioxide
4.3.1.1 1 Carbon Atom
4.3.1.2 2 Oxygen Atoms
4.3.2 Calcium Hydroxide
4.3.2.1 1 Calcium Atom
4.3.2.2 2 Oxygen Atoms & 2 Hydrogen Atoms
4.3.2.2.1 These have brackets around them, with a little '2' next to it
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