Topic 2 - Bonding, Structures and properties of structures

A 'giant lattice structure held together by attraction between positive and negatively charged ions' describes what?

• simple covalent molecules

• metallic

• ionic

• giant covalent

Sand, diamond and graphite are all examples of;

• simple covalent molecules

• metallic

• ionic

• giant covalent

In which types of bonding are Melting points very high because a large amount of energy is needed to break all the bonds?

• simple covalent molecules

• metallic

• ionic

• giant covalent

Low melting and boiling points which increase with increasing molecule size due to increased intermolecular forces.

• simple covalent molecules
• metallic
• ionic
• giant covalent 

Tags

NGSS.MS-PS1-1

Low melting and boiling points which increase with increasing molecule size due to increased intermolecular forces describe;

• simple covalent molecules

• metallic

• ionic

• giant covalent

a lattice structure in which all atoms are joined to others by covalent bonds describes;

• simple covalent molecules

• metallic

• ionic

• giant covalent

Conductors due to delocalised electrons

• simple covalent molecules
• metallic
• ionic
• giant covalent 

Tags

NGSS.HS-PS1-3

Melting points are generally high – lots of energy is needed to overcome the attractions between positive ions and delocalised electrons.  

• simple covalent molecules
• metallic
• ionic
• giant covalent 

Tags

NGSS.HS-PS1-3

Formulae of these might include H₂O
each molecule contains 1 O and 2H atoms 

• simple covalent molecules
• metallic
• ionic
• giant covalent 

Tags

NGSS.MS-PS1-1

Compounds containing a metal and non-metal are always;

• simple covalent molecules

• metallic

• ionic

• giant covalent