entry task block #1 nov 19 th -20 th break out your periodic table and get your papers signed off
TRANSCRIPT
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Entry task Block #1 Nov 19th-20th
Break out your periodic table and get your papers signed off
![Page 2: Entry task Block #1 Nov 19 th -20 th Break out your periodic table and get your papers signed off](https://reader035.vdocuments.site/reader035/viewer/2022062519/5697bfee1a28abf838cb9555/html5/thumbnails/2.jpg)
Agenda:
• Discuss Ions to formulas ws• In-Class Ch. 8 Review sheet• To know list
• If there is time- Ionic battleship
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Work on this and come up for help if you need it!!!
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Ions to formulas answers
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Ions to formulas answers
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Ions to formulas answers
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Ions to formulas answers
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Ions to formulas answers
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Ions to formulas answers
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Ions to formulas answers
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Ions to formulas answers
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Ions to formulas answers
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Ions to formulas answers
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Ions to formulas answers
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Ch. 8 Review sheet- answers
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What is a chemical bond? (3 pts)
• A force that holds 2 or more atoms together.
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Why do ions form? (2 pts)
• They lose or gain electrons to have a stable electron arrangement.
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What family of elements is relatively unreactive and why? (2 pts)
• Noble Gases are unreactive because they have a filled valence orbit.
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Describe the formation of cation. (2 pts)
• Atoms lose their valence electrons becoming a positive charge.
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Describe the formation of anion. (2 pts)
• Atoms gain electrons becoming a negative charge.
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Explain the formation of the ionic compound composed of lithium and
oxygen. (4pts)
• 2 Lithium atoms loses their valence electron becoming +1 charge.
• Oxygen gains both of those electrons becoming a -2 charge.
• They fill create a stable orbital arrangement
• Cancel each other charges out.
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Provide the 5 properties of an Ionic substance. (5 pts)
• High melting point• Dissolves in water• Conductive (after being dissolved in H2O)• Solids at room temperature• Brittle (not malleable)
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What is lattice energy? (3pts)
• Energy needed to separate ions from its compound.
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Which compound would have more lattice energy- NaCl and AlCl3? Explain
your reasoning. (2 pts)
• AlCl3 would need more energy because it has 3 electrons being transferred which would need more energy to pull them apart.
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What is the difference between a formula unit, and crystal lattice (3 pts)
• Formula Unit is the simplest form of an ionic compound- NaCl.
• Crystal Lattice is the repeating formula unit forming a lattice.
NaClNaClNaClNaCl
NaClNaClNaCl
NaClNaClNaClNaCl
NaClNaClNaCl
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Define oxidation number. (1pt)
• The charge on an ion.
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What is the difference between a monatomic ion and a polyatomic ion? (4 pts)
• Monatomic ion is a one atom ion.• Polyatomic ion is a 2 or more atoms that
are covalently bonded that carry a charge.
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For the following formula, provide the correct names (5 pts)
Fe2(SO3)3________________(H3O)3BO3________________Hg3PO4________________Cu2CO3________________Al(NO3)3________________
Iron III sulfite
Hydronium borateMercury I phosphateCopper I carbonate
Aluminum nitrate
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For the following names, provide the formula (5 pts)
Gallium cyanide _________________Bismuth III chromate ______________Iron III hydroxide _________________Hydronium phosphide______________Copper I selenate_________________
Ga(CN)3
Bi2(CrO4)3
Fe(OH)3
(H3O)3PCu2SeO4
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To Know List- Ch. 8 Test• Concentration of MOSTLY Ch. 8 (75%)
– Why bond?– Ionic substances- properties– Naming ionic substances– Providing the formula– Transitional metals- ROMAN NUMERALS– Metallic bonds- properties– Alloys- maybe 3 questions on it
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To Know List- Ch. 8 Test• Concentration of MOSTLY Ch. 8 (75%)
– Periodic trends-• Ionization energy• Electronegativity• Size of atoms verse ions
– Energy levels-light, E-dot/valence-Ch. 5– Particles- Protons, Electrons Neutrons-Ch. 4– Physical chemical properties/changes-Ch. 3– Scientific notation and Significant Figs- Ch. 2
25%
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STUDY for P of UCh. 2-8