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Matter
SOL 5.4 Matter
Question | Answer |
---|---|
What is an element? | pure substance |
How many elements are known to exist? | just over 100 |
What is the smallest part of an element? | an atom |
What is the smallest part of a compound? | a molecule |
What do you call it when 2 or more elements combine chemically and a new substance is formed? | a compound |
What are the three states of matter? | solid, liquid, gas |
In which state of matter are the molecules the most spread apart and able to move around? | gas |
In which state of matter are the molecules closest together and only able to vibrate back and forth? | solid |