[1NA/E] Chapter 4: Separation Techniques

Solute: the substance that makes up the minority of the solution (substance that dissolves in a solvent). E.g salt (solute) dissolves in water (solvent) Solvent: the substance that makes up the majority of the solution (the substance that dissolves the solute). E.g water (solvent) dissolves salt (solute). Note: water is a universal solvent. “Universal” is … Read more [1NA/E] Chapter 4: Separation Techniques

[1NA] Chapter 8: Model of Matter – Atoms and Molecules

Important Terms proton number = atomic number nucleon number = mass number. This term indicates the total number of protons and neutrons combined in any elements. Isotopes are elements that have the same number of protons but different number of neutrons. Key ideas From periodic table, the period number indicates the number of electron shells … Read more [1NA] Chapter 8: Model of Matter – Atoms and Molecules

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