Vocab
what is an element
what is a substance that contains one type of atom and cannot be broken down into a simpler substance.
Matter can be destroyed and created
what is false
What does the 4 in this example represent
4Fe + 3O
what is the number of units needed to form a reaction
what is a mixture that is blended together and that looks the same
what is homogeneous mixture
The pH of water is 7
what is true
What is cohesion?
what is the tendency of molecules to stick to other molecules of the same type
Only acids can be corrosive
what is false
what Is an acid?
what is a compounds that have sour taste and can dissolve some metals.
something with a pH of seven is a base
what is false
(neutral)
what is a base?
what are compounds that are slippery, have bitter taste and are caustic.
What is the law that states matter can not be created or destroyed during chemical reactions?
What is law of conservation of mass