C3 Flashcards
What is an alloy
A mixture of two or more elements, at least one of which is a metal
What is a covalent bond
Covalent bonds is when non metal elements join together by sharing a pair of electrons.
They can be single bonds, double bonds or triple bonds
What is a Delocalised electron
A bonding electron that is no longer associated with any one particular atom
What are Gases
Substances that have no fixed shape or volume & can be compressed easily
What is a giant lattice
A huge 3D network of atoms or ions
What is an ionic bond
An ionic bond is an electrostatic force between positive and negatively charged atoms
What are liquids
Liquids are substances that have a fixed volume but they can flow and change their shape
What is solids
Solids are substances that fixed shape and volume
Group 1 & 2 elements are [_______]
Metals
Group 1 is alkali
Group 6 & 7 elements are [_______]
Non - Metals
Group 7 are also halogens
What are ions
Ions are charged particles
Three types of chemical bonding
Ionic, covalent, metallic
