EOC REVIEW - Weebly
Transcript of EOC REVIEW - Weebly
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EOC REVIEW
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TOPICS
• Properties of water
• Matter : classifying & changes
• Intro to the atom
• Lewis dots & periodic table
• Period table trends
• Electron configuration
• Quick review
• CFU/Timed Practice
• repeat
PLAN
THE PLAN
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WATER IS POLAR
Hydrogen bond
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BECAUSE WATER IS POLAR….
COHESION
ADHESION
SURFACE TENSION
SPECIFIC HEAT
UNIVERSAL SOLVENT
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CFU: SURFACE TENSION IS CAUSED BY
COHESION
ADHESION
SURFACE TENSION
SPECIFIC HEAT
UNIVERSAL SOLVENT
Can be more than 1. Explain your reasoning.
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CFU: THIS DROPLET IS CAUSED BY
COHESION
ADHESION
SURFACE TENSION
SPECIFIC HEAT
UNIVERSAL SOLVENT
Can be more than 1. Explain your reasoning.
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CFU: THIS IS CAUSED BY
COHESION
ADHESION
SURFACE TENSION
SPECIFIC HEAT
UNIVERSAL SOLVENT
Can be more than 1. Explain your reasoning.
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STATES OF MATTER
CFU! Practice sheet #1
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CFU
MaterialPure Substance (PS) Element (E) or Compound (C)
Mixture (M) Homogeneous (Ho) or Heterogeneous (He)
Chicken Noodle Soup Pure substance | MixtureElement | Compound
Homogeneous | Heterogeneous
Blood Pure substance | MixtureElement | Compound
Homogeneous | Heterogeneous
Carbon dioxide Pure substance | MixtureElement | Compound
Homogeneous | Heterogeneous
Gator-aid Pure substance | MixtureElement | Compound
Homogeneous | Heterogeneous
Pepperoni Pizza Pure substance | MixtureElement | Compound
Homogeneous | Heterogeneous
Oxygen Pure substance | MixtureElement | Compound
Homogeneous | Heterogeneous
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CHEMICAL & PHYSICAL CHANGESPROPERTIES
CFU! Practice sheet #2
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ATOMIC THEORY
Neutrons (0)
Protons (+)
Electrons (-)
# protons _______
# electrons _______
Overall charge
On the atom _______
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ELEMENT-OLOGY
6
12.01
Carbon
C
Atomic Number
Atomic Mass
Elemental Symbol
Element Name
The number of protons (+)
in the nucleus. Also the
number of electrons (-).
The mass of an atom of that
element. This is the number of
protons (+) and neutrons (0)
One or two letter
symbol that
represents the
element.
The element’s
common name.
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CHECK FOR UNDERSTANDING
Element
Name
Element
SymbolProton #
Neutron
#
Electron
#
Relative
Mass
Number
32 32
20 20
Si 28.00
P 30.00
Bismuth 83
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PERIODIC TABLE
Alkali MetalsAlkali Earth MetalsTransition MetalsHalogensNoble Gases
NOBEL GASES
1A 2A 3A 4A 5A 6A 7A 8A
1. Atoms may lose e- to become stable….
2. Atoms may gain e- to become stable…..
3. Atoms may share e- to become stable….
4. Because they lose/gain/share, they bond!
Metals
Non-metals
Metalloids
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PERIODIC TRENDS1A 2A 3A 4A 5A 6A 7A 8A
Group 1A
Metals tend to lose
electrons.
Group 7A
CFU! (left, right / up, down)
1. In which directions do metallic character increase?
2. In which directions do atomic radius increase?
3. In which directions do electronegativity increase?
4. In which directions do ionization energy increase?
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ELECTRON CONFIGURATION
1s 2p 3s2s 3p
Si: 1s2 2p6 3s22s2 3p2
SILICONE
Si: 3s2 3p2[Ne]
Si
Ne
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THE ATOM
Protons (+)
Neutrons (0)
Electrons (-)Notice the size
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Why are VALENCE ELECTRONS important?1. Atoms want to be stable (Nobel Gas Configuration)
2. Atoms will steal/share valence electrons to do this
3. When valence electrons are removed or added, atoms form or break bonds and a CHEMICAL REACTION occurs
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VALENCE ELECTRONS (ELECTRONS ON THE LAST RING)
Few ve- = more likely to give them away
Lots of ve-= less likely to give them away
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Lewis dot structures show an elements valence electrons
and can help you with showing ATOMIC BONDING
IS IT A CATION OR AN ANION?
Chlorine
Remember electrons have
NEGATIVE (-) charges
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IONIC• Bond that forms when one atom gives away a valence
electron to another atom
• Occurs between METALS and NON-METALS
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VISUAL KEY
WRITING COMPOUNDS
Na Cl NaCl
You DON’T have to write “1”If necessary!
CFU 7
#1, 4, 20, 22, 24
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COVALENT• Bond that forms when two atoms share valence
electrons
• Occurs between 2 NON-METALS
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NAMING COMPOUNDS
CFU 8
#1, 5, 8, 16, 19
CFU 9
#1, 3, 18
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BALANCING EQUATIONS
Balance an equations so that the reaction obeys the Law of Conservation of Mass
Steps/Rules:
1. Make a chart to count the atoms in your reactants and your products *If an equation is unbalanced, you MAY NOT change the subscript. You are only allowed to change the coefficient out in front.
2. Count how many atoms you have for each element in EACH compound BEFORE you start placing coefficients out in front.
3. If you do not put a coefficient in front of a compound, we treat it as a 1.
CFU 10
#1, 5, 8
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REACTION TYPESCFU 10
#1, 5, 8
Acid – Base Neutralization
act
ACTIVITY SERIES HELPS TO PREDICT
PRODUCTS OF SINGLE REPLACEMENT
REACTIONS
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REACTION RATES
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TOPICS
• Stoichiometry
• Combustion
• Specific heat
• equilibrium
• LOOK AT THE FOLLOWING TOPIC
ONLINE:
• WWW.KINGA2.WEEBLY.COM
PLAN
THE PLAN