2.5 Simple Molecules And Covalent Bonds
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What is a covalent bond
The sharing of a pair of electrons between 2 non-metal atoms which occurs so that both non metal atoms can achieve a full outer shell
What is a molecule
Group of 2 or more elements held together by covalent bonds
What is it called when atoms of different elements share electrons
Covalent compounds
Quickly describe the bond strength and length of covalent compounds
Triple>double>single Single>double>triple>
What are the properties of simple molecular covalently bonded substances (4)
Weak IMF/ Van Der Waal’s s forces Low MP+BP Volatile-easily turn to gas Cannot conduct electricity
Why can simple molecular covalently bonded substances not conduct electricity
All the electrons are used in bonding so there are no free electrons or ions to carry charge