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Grade 9 Chemistry Basics (Mixed) Worksheet
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Chemistry Basics (Mixed)
Grade 9 · Science
- 1.What do we call a substance made of two or more elements chemically bonded?Â
- 2.What is the chemical formula for table salt?Â
- 3.What do we call a reaction that releases heat?Â
- 4.What is the smallest unit of an element that retains its properties?Â
- 5.What are the three main particles found in an atom?Â
- 6.What is the chemical formula for water?Â
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