AQA C2 Strucutre & bonding

Ionic bonds happen between

• Metal atoms and metal atoms
• Metal atoms and non-metal atoms
• Non-metal atoms and non-metal atoms

Which property would this giant ionic compound have?

• Conducts electricity
• Low boiling point
• High melting point
• Is a gas

Why are simple covalent molecules often gases?

• The have no charge
• There are spaces between the molecules
• They only have weak intermolecular forces
• The covalent bonds are weak

Why don't simple covalent molecules conduct electricity?

• The have no charge
• There are spaces between the molecules
• They only have weak intermolecular forces
• The covalent bonds are weak

Why is diamond strong?

• It's made of carbon
• It doesn't conduct electricity
• It forms 4 strong covalent bonds
• So it can cut glass

Tags

NGSS.MS-PS1-1

Why do metals conduct electricity?

• It has positive ions
• It has free electrons
• There are spaces between the atoms for electricity to move through
• It forms ionic bonds

Is this a covalent bond or an ionic bond?

• Covalent bond
• Ionic bond
• Water
• Neither 

Ionic or covalent?
H  H

• Ionic
• Covalent

How are ionic bonds formed?

• When atoms share an electron
• When opposite charged atoms attract
• When one atom takes a proton
• When one atom takes a neutron

Covalent compounds

• Share electrons
• transfer electrons
• contain a sea of electrons
• conduct electricity