Answer:
-made of a single type of molecule or atom.
- uniform and constant.
- have specific or fixed melting points and boiling points.- Predictable subjects are formed when pure substances come under chemical reactions.
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Answers & Comments
Answer:
-made of a single type of molecule or atom.
- uniform and constant.
- have specific or fixed melting points and boiling points.
- Predictable subjects are formed when pure substances come under chemical reactions.