Chemistry Y9 Covalent Bonding

Covalent bonds is between ___

• Metals

• Non-Metals

Covalent bonds ___ electrons

One full shell must have in total _ electrons

Double bonds need to have more than 1 ___

Simple molecules only contain a couple of atoms held together by ___ covalent structures

An inter-molecular force is a ___ force between 2 molecules

Molecules have strong covalent bonds but are held together by much ___ forces

Select 2 of the reasons why simple molecular structures have high melting/boiling points

• Weak inter-molecular forces

• Lots of energy

• Small amount of energy

• Combination of all forces

Simple molecular structures cannot conduct because the electrons are not ___ to move

Giant covalent structures have millions of atoms that are ___ connected with covalent bonds