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Unit 1 INTRODUCTION TO MATTER
1.2 What is particle diagram? AIM: How do you create a particle diagram and how do
you use it to distinguish between a pure substance and a mixture?
DO NOW: How is matter classified? Fill out the graphic organizer using notes from yesterday.
MATTER
MIXTURE PURE SUBSTANCE
HETEROGENOUSMIXTURE
HOMOGENEOUSMIXTURE
COMPOUND ELEMENT
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WHAT IS A PARTICLE DIAGRAM?
A diagram serves as a representation of something
Examples of diagrams:Diagram of this classroom
Diagram of a plant
Diagram of
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WHAT IS A PARTICLE DIAGRAM?
• A drawing that represents atoms or molecules
• These diagrams can represent elements and compounds, and their molecular composition (depending on how they are arranged in the diagram).
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LEGEND• Serves as a key. • It helps us identify what each part of the
diagram represents
KEY
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GROUP ACTIVITYWith a partner:• Classify the following items as a homogeneous
mixture, heterogeneous mixture, element or compound.
• Draw particle diagrams representing each of the items.
(10 mins)
With your table:• Create a particle diagram for the category listed on
the post-it. (5 mins)
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ITEM CLASSIFICATION PARTICLE DIAGRAM (include a key)
A Silver Ring
Oil and Water
Aluminum and Iron
Water
Oxygen
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INDEPENENT PRACTICE• Using your notes please complete the
independent practice.• Please submit into the BIN
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FOR HOMEWORK• BEGIN WORKING ON HOMEWORK
PACKET (due at the end of the week)– You must answer 14 out of the 20 questions
provided
• START FILLING OUT CHEMISTRY VOCABULARY JOURNAL
- you will be allowed to use this on your quizzes and (some of) your exams