Exam 1 Prep

Bonding Types

100

What are the two types of bonding?

Covalent and Ionic Bonding

200

If I am combining Sodium with Chlorine, what type of bonding will I see?

Ionic

300

Methane (CH4) combines one carbon with four hydrogen atoms. What type of bonding will we see and why?

Covalent, because carbon and hydrogen are both nonmetals coming together to create a molecular compound.

400

NO₃^- is a polyatomic anion that includes what type of bonding

Molecular/ Binary Covalent Compounds

500

Ba₃(PO₄)₂ contains a polyatomic anion and a barium cation. What type of bonding will this compound have?

Ionic

Periodic Table

100

What is the name of the group 1A metals?

alkali metals

200

What group are the noble gases in?

Group 18 or 8A

300

What group of main elements are the alkaline earth metals? 

Group 2A

400

What group has a charge of 1-?

halogens

500

What are the three elements included in the coinage metals?

Copper, Silver, Gold

Conversions

100

How many grams are in kilograms?

1000 grams = 1 kilograms

200

How many feet are in 50.04 centimeters? (2.54 cm = 1 in., 12 in. = 1 ft)

1.64 ft.

300

How many milligrams are in 20 decagrams?

200,000 mg

400

How many nanometers are in 1 meter

1 meter = 1.0 X 10⁹ nanometers

500

How many microliters are in 100 milliliters?

100,000 microliters

Mixed Operations

100

What is the rounding rule for significant figures when adding or subtracting?

The answer will be equivalent to the fewest decimal places.

200

What is the significant figure rule for multiplying or dividing?

The answer will be equivalent to the fewest number of significant figures.

300

(965.43 x 3.911) + 9413.4136

13189

400

[(154.7-132) x 3.07]/0.702

99

500

[15.087 + 25.50439) * 25]/(17.985 - 289)

-3.74

Miscellaneous

100

How many protons, electrons, and neutrons are in S-32?

16 protons, 16 neutrons, 16 electrons

200

Write the isotopic symbol that correctly represents iodine with 78 neutrons.

I-131

300

What is the difference between the Law of Definite Proportions and the Law of Multiple Proportions

Multiple- ratio of mass of an element to the total mass of a compound (C in CHO₃)

Definite- composed of definite proportions of mass by the individual element (NO, NO₃)

400

Suppose that you go on a road trip where your car averages a fuel economy of 37.2 miles per gallon, mpg, for 65% of the trip, 24.2 mpg for 23% of the trip, and 8.8 mpg for 12% of the trip. Determine the car's average fuel economy for the trip.

30.8 mpg

500

How ready are you for the exam?

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