Question 1

Which of the following statements bests describes a gas?

Accepted Answer

A)  Definite shape and volume
B)  Indefinite shape and volume
C)  Indefinite shape but definite volume
D)  Definite shape but indefinite volumeE) A) and B)
F) A) and C)

Question 2

Perform the following conversions within the metric system.
A)55 cm = ________ m
B)9535 m = ________ km
C)87 dg = ________ g
D)0.00376 L = ________ mL

Accepted Answer

A)0.55 m;
B)9.535 km;
C)8.7 g;
D)3.76 mL

Question 3

Express the following quantities in calories (cal).
A)98.3 J
B)236 × kJ
C)127 kCal

Accepted Answer

A)23.5 cal...

Question 4

Antimony is a metal.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following is a metal?

Accepted Answer

A)  Boron
B)  Aluminium
C)  Germanium
D)  PhosphorusE) B) and C)
F) None of the above

Question 6

How many significant figures are there in the following number: 0.00458 grams?

Accepted Answer

A)  1
B)  2
C)  3
D)  4E) B) and D)
F) A) and C)

Question 7

Which of the following represents a homogeneous mixture?

Accepted Answer

A)  Brass (an alloy) 
B)  Chocolate chip ice cream
C)  Blood
D)  FogE) C) and D)
F) All of the above

Question 8

How many significant figures are there in the following number: 53,000 pounds?

Accepted Answer

A)  1
B)  2
C)  3
D)  4E) B) and D)
F) A) and B)

Question 9

Identify the correct ordering of attractions among particles in the three states of matter.

Accepted Answer

A)  Solid 
B)  Solid > liquid > gas
C)  Gas 
D)  Solid E) B) and D)
F) B) and C)

Question 10

Classify each of the following as a pure substance or a mixture; if a mixture, indicate whether it is homogeneous or heterogeneous.
A)Concrete
B)Iodine crystals
C)Gasoline
D)White chocolate macadamia nut cookies
E)Vegetable soup
F)Aluminum metal

Accepted Answer

A)heterogenous mixture
B)pure substance
C)homogeneous mixture
D)heterogenous mixture
E)heterogenous mixture
F)pure substance

Question 11

What is the correct element symbol for palladium?

Accepted Answer

A)  P
B)  Pa
C)  Pd
D)  PmE) None of the above
F) B) and C)

Question 12

Which of the following is a nonmetal?

Accepted Answer

A)  Tellurium
B)  Germanium
C)  Antimony
D)  SeleniumE) All of the above
F) A) and B)

Question 13

All the different kinds of substances that make up all of the material of the universe are known collectively as:

Accepted Answer

A)  elements
B)  compounds
C)  matter
D)  electrolytesE) C) and D)
F) B) and C)

Question 14

Perform the following conversions.
A)56 cm = ________ in
B)2.0 ftS1U1P12S1S1P0 = ________ cmS1U1P12S1S1P0
C)19.8 qt = S1S1P LS1S1P0
D)78.2 lb = S1S1P kgS1S1P0

Accepted Answer

A)22 in,
B...

Question 15

What is the coefficient of HClO4 when the following equation is balanced with smallest whole numbers?
Cl2O7 + H2O ? HClO4

Accepted Answer

A)  1
B)  2
C)  3
D)  4E) A) and B)
F) A) and C) B

Question 16

Which of the following is a chemical reaction?

Accepted Answer

A)  Rusting of iron
B)  Slicing a ham
C)  Liquefying oxygen
D)  Melting iceE) All of the above
F) B) and D)

Question 17

Express the following in exponential form:
A)5765
B)0.000365
C)102,000
D)0.00000240
E)602,000,000,000
F)2000

Accepted Answer

A)5.765 × 10³;
B)3.65...

Question 18

Iron is an example of a micronutrient.

Accepted Answer

A) True 
 B)False

Question 19

Express the following numbers in scientific notation.
A)109,000
B)0.00065
C)61,000,000,000
D)26
E)0.00000720

Accepted Answer

A)1.09 × 10⁵,
B)6.5 ×...

Question 20

A Calorie is equivalent to 1000 calories.

Accepted Answer

A) True 
 B)False

Exam 1: Chemistry Basics - Matter and Measurement

Which of the following statements bests describes a gas?

Correct AnswerverifiedShow Answer

Perform the following conversions within the metric system. A)55 cm = ________ m B)9535 m = ________ km C)87 dg = ________ g D)0.00376 L = ________ mL

Correct AnswerverifiedA)0.55 m; B)9.535 km; C)8.7 g; D)3.76 mL

Express the following quantities in calories (cal). A)98.3 J B)236 × kJ C)127 kCal

Correct AnswerverifiedA)23.5 cal...View AnswerShow Answer

Antimony is a metal.

Correct AnswerverifiedShow Answer

Which of the following is a metal?

Correct AnswerverifiedShow Answer

How many significant figures are there in the following number: 0.00458 grams?

Correct AnswerverifiedShow Answer

Which of the following represents a homogeneous mixture?

Correct AnswerverifiedShow Answer

How many significant figures are there in the following number: 53,000 pounds?

Correct AnswerverifiedShow Answer

Identify the correct ordering of attractions among particles in the three states of matter.

Correct AnswerverifiedShow Answer

Classify each of the following as a pure substance or a mixture; if a mixture, indicate whether it is homogeneous or heterogeneous. A)Concrete B)Iodine crystals C)Gasoline D)White chocolate macadamia nut cookies E)Vegetable soup F)Aluminum metal

Correct AnswerverifiedA)heterogenous mixture B)pure substance C)homogeneous mixture D)heterogenous mixture E)heterogenous mixture F)pure substance

What is the correct element symbol for palladium?

Correct AnswerverifiedShow Answer

Which of the following is a nonmetal?

Correct AnswerverifiedShow Answer

All the different kinds of substances that make up all of the material of the universe are known collectively as:

Correct AnswerverifiedShow Answer

Perform the following conversions. A)56 cm = ________ in B)2.0 ft2 = ________ cm2 C)19.8 qt = ________ L D)78.2 lb = ________ kg

Correct AnswerverifiedA)22 in,B...View AnswerShow Answer

What is the coefficient of HClO4 when the following equation is balanced with smallest whole numbers? Cl2O7 + H2O ? HClO4

Correct AnswerverifiedB

Which of the following is a chemical reaction?

Correct AnswerverifiedShow Answer

Express the following in exponential form: A)5765 B)0.000365 C)102,000 D)0.00000240 E)602,000,000,000 F)2000

Correct AnswerverifiedA)5.765 × 103;B)3.65...View AnswerShow Answer

Iron is an example of a micronutrient.

Correct AnswerverifiedShow Answer

Express the following numbers in scientific notation. A)109,000 B)0.00065 C)61,000,000,000 D)26 E)0.00000720

Correct AnswerverifiedA)1.09 × 105,B)6.5 ×...View AnswerShow Answer

A Calorie is equivalent to 1000 calories.

Correct AnswerverifiedShow Answer

Correct Answer
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Perform the following conversions within the metric system. A)55 cm = m B)9535 m = km C)87 dg = g D)0.00376 L = mL

Correct Answer
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A)0.55 m; B)9.535 km; C)8.7 g; D)3.76 mL

Correct Answer
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A)23.5 cal...
View Answer

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A)heterogenous mixture B)pure substance C)homogeneous mixture D)heterogenous mixture E)heterogenous mixture F)pure substance

Correct Answer
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Perform the following conversions. A)56 cm = in B)2.0 ft² = cm² C)19.8 qt = ^L D)78.2 lb = ^kg

Correct Answer
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A)22 in,
B...
View Answer

What is the coefficient of HClO₄ when the following equation is balanced with smallest whole numbers? Cl₂O₇ + H₂O ? HClO₄

Correct Answer
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B

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A)5.765 × 10³;
B)3.65...
View Answer

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Correct Answer
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A)1.09 × 10⁵,
B)6.5 ×...
View Answer

Correct Answer
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