Thursday, September 4, 2014:. Please take out your HW from Last night and be ready to correct it – if you have not finished it, do so now. Be ready to take notes Self assess your understanding of the SOM by checking your hw Q and A from Activity Matter Notes What is Matter?
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What is Matter?
Identifying Pure Substances, Mixtures, and Compounds
(negatively charged particles)
Properties of a compound are different from the properties of the elements that make it.
Sodium (Na) – solid at room temperature that reacts violently with water
Chlorine (Cl) – poisonous yellow-green gas at room temperature
Sodium Chloride (NaCl) – white crystalline water soluble solid used as a food additive
Think of sweet tea – Sugar is the solute, because it is dissolved in the solvent, which is the tea.
Separation technique to separate mixtures