elements, compounds & mixtures day 2
TRANSCRIPT
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You Will Need:• Pencil, Colored pencils• Elements, Compounds & Mixtures –
1 sheet 2 sides – Part 2 Bookshelf• ½ sheet of paper - Bookshelf• Elements, Compounds and Mixtures
– 2 sheets 4 sides – Part 1 – Picked up Yesterday
• Textbook – Open to P.T.- Pg. 196-197
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•Retake Test #3 up until Tuesday of Next week.
art 1 – 59/85 or lower
art 2 – 86/125 or lower
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• Girl 9 : Socks, Barbie Doll; art/drawing supplies – Target gift card for pants & shirt
• Girl 16 : Socks, Art Supplies, beads or other crafts; Forever 21 gift card
• Dad and Mom: Necklace, $35 for groceries $25 for gas
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Element Information Bohr Model
Helium Row:
# of Protons:
# of Neutrons:
# of Electrons:
1
24-2=2
2
P=2N=2
2
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Element Family # + Valence
Electron Dot Diagram(LEWIS DOT)
Helium F= 18V = 2
He
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Element Information Bohr Model Lewis Dot
Carbon Row:
# of Protons:
# of Neutrons:
# of Electrons:
2612-6=6
6
P=6N=6 2 4 C
Valence
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Element Information Bohr Model
Beryllium Row:
# of Protons:
# of Neutrons:
# of Electrons:
2
49-4=5
4
P=4N=5
2 2
What is the VALENCE?
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Element Family # + Valence
Electron Dot Diagram(LEWIS DOT)
Beryllium F= 2V = 2
Be
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Element Information Bohr Model
Oxygen Row:
# of Protons:
# of Neutrons:
# of Electrons:
2
816-8=8
8
P=8N=8 2 6
What is the VALENCE?
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Element Family # + Valence
Electron Dot Diagram(LEWIS DOT)
Oxygen F= 16V = 6 O
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Element Information Bohr Model
Chlorine Row:
# of Protons:
# of Neutrons:
# of Electrons:
3
1736-17=18
17
P=17N=18 2 8 7
What is the VALENCE?
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Element Family # + Valence
Electron Dot Diagram(LEWIS DOT)
Chlorine F= 17V = 7
Cl
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• Two or more atoms bonded (attached) (chemical forces)
• Smallest unit of any compound that keeps the properties of that compound.
Covalent Bond
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• A pure substance • A substance made up of
atoms from two or more bonded elements.
Ionic Bond
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• A combination of two or more substances blended together
• No set ratio of ingredients
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• Homogeneous: 2 or more things evenly blended and disappear into each other.
• Solute – Smaller quantity• Solvent – Larger quantity• Solution – a homogeneous
mixture
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• Heterogeneous: 2 or more things put together and still can be seen.
• No set RATIO.
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• We know the definition of Element, Compounds & Mixtures
• What do their particles look like?
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Compound
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Element
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Mixture
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Element
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Compound
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Can you create your own?
• 2 different samples of Elements• 2 different samples of Compounds• 2 different samples of Mixtures
1. Mixture of Elements, 2. Mixture of Compounds or 3. Mixture of Elements and Compounds
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• Materials Managers: Pick up one supply bag for your table
• Separate and Layout 6 small zip lock bags labeled, ELEMENT, COMPOUND, MIXTURE, Supplies
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• Build: A 2 examples of each
• Your table should have:– 2 diff. examples of Element
Particles– 2 diff. examples of Compound
Particles– 2 diff. examples of Mixtures
• Mixture of Elements• Mixture of Compounds• Mixture of Elements and Compounds
– Get a Signature from Mrs. M.
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• Complete Venn Diagram ONLY – We will finish the rest in class tomorrow – Due by the end of the period tomorrow
• Correct Test #3 and Get Signed – Due tomorrow