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Chemistry Unit 1

QuestionAnswer
Chemical reactions can be identified by: A change in appearance of substance, A detectable energy change, The formation of at least one new substance
There are around ... elements. There is around 100 elements
When different elements react together a ... is produced. When different elements react together a compound is produced.
An element is made of only one type of? An element is made of only one type of atom
Compounds ending in "ide" have: Compounds ending in "ide" have two different elements present.
Compounds ending in "ite" or "ate" have: Compounds ending in "ite" or "ate" have three elements present, one of which is oxygen.
When two substances come together without reacting: When two substances come together without reacting, then a mixture is formed.
A solution is formed when a solute dissolves in a solvent. A solution is formed when a solute dissolves in a solvent.
Created by: 100002728025498