The atom is the basic unit of matter. All the elements in the universe are made up of atoms, each possessing its own set of physical and chemical properties. The grade 9 chemistry unit is all about exploring matter. Throughout the unit, students are introduced to the atom and the characteristics of its subatomic particles, the periodic table, and most importantly, the information the periodic table holds about the physical and chemical properties of elements.

The grade 9 science class set out to experiment and observe the physical and chemical properties of a set of four chemical compounds in order to determine which of them, if any, are part of the same family. Students ran a series of chemical reactions and recorded their observations in order to determine the answer and to justify it with evidence.

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Chemistry students explore properties of compounds

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