Chemical Bonding Flashcards
What is a compound
A substance that is made up of two or more different elements combined together chemically
What is the Octet Rule
When bonding occurs, atoms tend to reach an electron arrangement with 8 electrons in the outermost energy level
What is an ion
A charged atom or group of atoms
What is an ionic bond
The force of attraction between oppositely charged ions in a compound. Ionic bonds are always the complete transfer of electrons from one atom to another
What is a transition metal
A transition metal is one that forms at least one ion with a partially filled d sublevel
What is a molecule
A molecule is a group of atoms joined together. It is the smallest particle of an element or compound that can exist independently
What is valency
The valency of an element is defined as the number of atoms of hydrogen or any other monovalent element with which each atom of the element combines
How is a sigma bond formed
A sigma bond is formed by the head-on overlap of two orbitals
How is a pi bond formed
A pi bond is formed by the sideways overlap of p orbitals
Ionic compound characteristics (3)
(1) High melting point
(2) High boiling point
(3) Conducts electricity when molten or when dissolved in water
Covalent compound characteristics (3)
(1) Low melting point
(2) Low boiling point
(3) Doesnt conduct electricity
What does VESPR stand for?
Valence electron shell pair repulsion
