Studied by 1 personWhat is a compound?
Atom of different element bonded together
What is a mixture?
It contains different substances that are not bonded together
Give a property of chemical change
Word equations
Energy is usually taken out during reaction
Usually difficult to reverse
One or more new substances has been created
Give a property of physical change
No new substances has been created
Easy to reverse
How many electrons does an atom need in its outer shell to be stable?
8
What is the the name of an charged atom?
Ion
Another name for positive charged ion?
Cations
Another name for a negatively charged ion
Anions
What is an ionic bond?
Electrostatic attraction between ions of opposite charge
What bond does metals and non-metals make?
Ionic bond
When does an ionic bond form?
When a metal loses electrons to non-metals
What charge does metal form when it reacts with a non metal?
Positive
What charge does a non-metal form when it reacts with a metal?
Negative
What do you put first when naming an ionic compound?
The positive ion
What is a compound ion?
A Ion made by a group of bonded atoms
What bond does non-metals make when they react with other non-metal
Covalent bond
What does mono mean?
One
What is an transition element?
Elements that can form more than one ion
Give properties of ionic compounds?
High melting and boiling point
Conducts electricity
Usually soluble in water
Name properties of covalent compounds
Low melting and boiling point
Insoluble in water
Does not conduct electricity
When does substances conduct electricity?
When it have charged particles
When naming a compound that contains metal + non metals what are the rules?
Give name of metal first.
Add ide to the non metals end
Note 
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