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Chemistry flash card
Question | Answer |
---|---|
Binary compounds | chemical compound composed of only two elements |
Element | Simplest form of matter |
Compound | Composed of two or more separate elements |
Clues that a chemical reaction has occured? | -color changed -a solid forms -bubbles form -a flame is produced |
Strong electrolyte | Almost all ions in a solution |
Weak electrolyte | Few ions in a solution |
Nonelectrolyte | Almost no ions in a solution |
Chemical change | Occurs when a substance combines with another to form a new substance |
Scientific method | -State the problem -Gather information -Form a hypothesis -Test the hypothesis -Analyze the data -Draw a conclusion |
Definition of matter | Anything that has mass and volume |