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How many atoms of each element are in each compound?

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Presentation on theme: "How many atoms of each element are in each compound?"— Presentation transcript:

1 How many atoms of each element are in each compound?
JUST DO IT Daily Riddle In Question How many atoms of each element are in each compound? KBr… How many K? Br? H2O2… H? O? NaBO3

2 Today in your notebooks
PT groups/famillies, PT brainpop PT notes Atomic trends Atomic trends notes Compounds and molecules, BP Bonding notes Atomic arrangements Arrangements notes Valence electrons ws Valence electrons notes Phys/chem change ws Physical and chemical change notes Balancing Chem. reactions Chem. Reactions notes Mixtures paragraph Mixtures notes

3 Mixtures (Right) What is a mixture?
2) What are the two different types of mixtures? 3) What is a solution? Mixture: two or more elements in which a physical change takes place. (Chem change = compound) 2) Homogenous: the same uniform appearance and composition throughout (solutions) Heterogeneous visibly different substances or phases. (suspension) 3) Solution a homogeneous mixture of two or more substances. A solute is dissolved in a solvent in a physical change. These substances do not undergo a chemical change, and they can be separated again.

4 Types of mixtures Def. & Example Mixture Heterogeneous Homogeneous Solution Suspension

5 On the LEFT SIDE of your notebook, write a detailed paragraph defining and explaining the different types of mixtures MIN Define mixture List the two types of mixtures (homo-solution, hetero- suspension) Explain what each type of mixture is like and give an example of each

6 Exit slip 1. Which of the following is an example of a heterogeneous mixture? A. Bottled water B. Table salt C. Salt water solution D. Trail mix 2. Which of the following is an example of a homogeneous mixture? A. Water B. Sandwich C. Chocolate Chip Cookie D. Kool aid 3. Oil and water is an example of a(n)… Solution B. Suspension 4. “Hetero” means Similar B. Same C. Different D. Likely 5. “Homo” means A. Similar B. Same C. Different D. Likely


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