Chemical Bonding Flashcards
What is an ion
An ion is a charged atom or group of atoms.
What is an ionic bond
An ionic bond is the force of attraction between oppositely charged ions in a compound.
Why do elements react
Elements react to achieve a full outer shell of electrons.
An ionic bond happens between…..
A metal and a nonmetal, the natal looses an electron and the nonmetal gains an electron
An atom that looses electrons is _____________ charged
Positively
An atom that gains electrons is _____________ charged
Negatively
What are the properties of ionic compounds
Solids
High melting pints
Soluble in water
Conduct electricity when molten or dissolves in water
What are the properties of Covalent compounds
Liquids or gases
Low melting and boiling points
Insoluble in water
Don’t conduct electricity
Explain an ion
An ion is an atom that has lost or gained electrons
Name two compounds that use ionic bonding
Sodium chloride
Magnesium oxide
Name four molecules that use covalent bonding
O2
H2O
CH4
H2
Why can an ionic substance conduct electricity in water
The charges are free to move
