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Bonding Polarity & Geometry Writing and Balancing Equations Moles Percent Composition & Empirical & Molecular formulas Miscellaneo us

Which electrons are used in forming chemical bonds? A 100

Valence electrons A 100

What are the electronegativity ranges for nonpolar, polar, and ionic compounds? A 200

0 – 0.3 Nonpolar 0.3 – 1.7 Polar > 1.7 Ionic A 200

Define the 3 types of bonds. Include an example of each one. A 300

Ionic- transfer of electrons Covalent- Sharing of electrons Metallic- Sea of mobile electrons A 300

What type of atoms form ionic compounds? A 400

Metal + Nonmetal (or metal + poly) A 400

If 5g of A reacts with 3g of B in the reaction A+B C+D, how much C would be produced if 3g of D is formed according to the Law of Conservation of Mass? A 500

5g A 500

CO 2 B 100

Linear and Nonpolar B 100

H2SH2S B 200

Bent and polar B 200

BH 3 B 300

Trigonal planar and nonpolar B 300

CO B 400

Linear and Nonpolar B 400

CH 4 B 500

Tetrahedral and nonpolar B 500

List the 4 phase labels (abbreviation and what it represents) C 100

s-solid l-liquid aq- aqueous g-gas C 100

The balanced equation for the synthesis of water C 200

2H 2 + O 2 2H 2 O C 200

The balanced reaction when zinc is added to hydrochloric acid C 300

Zn + 2HCl ZnCl 2 + H 2 C 300

DAILY DOUBLE C 400 DAILY DOUBLE Place A Wager

The balanced reaction when phosphoric acid reacts with sodium hydroxide. C 400

H 3 PO 4 + 3NaOH 3HOH + Na 3 PO 4 C 400

The balanced reaction when water is added to gold C 500

NO 3 ReAcT 1 (ON) C 500

How many molecules are in 3 moles of potassium chloride? D 100

1.81X10 24 molecules D 100

How many moles are in 30.0g of sodium chloride? D 200

0.513 moles D 200

Convert 16 moles of KCl to grams D 300

1192 grams D 300

Calculate the molar mass of sodium chloride. D 400

58.5g D 400

You heat 10g of a hydrate and after heating 9g remains. What is the %H 2 O? D 500

10% D 500

What percentage of chlorine is in sodium chloride? E 100

60.7% E 100

What is the empirical formula for a compound that is 43.6%P and 56.4%O? E 200

P2O5P2O5

What is the empirical formula for a compound that is 53.3% oxygen and 46.7% silicon? E 300

SiO 2 E 300

What is the molecular formula if the empirical formula is NO 2 and the formula mass is 92amu? E 400

N2O4N2O4

What is the empirical formula of H 2 O 2 ? E 500

HO E 500

Which law enables us to balance chemical reactions? F 100

Law of Conservation of Mass F 100

The coefficients in the balanced equation for the combustion of hexane F 200

2, 19, 12, 14 F 200

Solid substance formed from the reaction between two aqueous solutions F 300

precipitate F 300

4 signs of a chemical reaction F 400

Color change Precipitate Gas formation Evolution of heat and/or light F 400

The balanced reaction in the decomposition of sodium phosphide in a balanced reaction F 500

Na 3 P 3Na + P F 500

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