Question 1

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 2

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 3

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) 4 
A) 1 
B) 2 
C) 3 
D) 4 B

Question 4

Which of the following is a nonmetal?

Accepted Answer

A) Tellurium 
B) Germanium 
C) Antimony 
D) Selenium 
A) Tellurium 
B) Germanium 
C) Antimony 
D) Selenium

Question 5

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

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 6

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

Accepted Answer

A) Solid liquid > gas C) Gas < solid < liquid D) Solid < gas < liquid A) Solid liquid > gas C) Gas < solid < liquid D) Solid < gas < liquid

Question 7

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 8

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 9

What is the correct element symbol for palladium?

Accepted Answer

A) P 
B) Pa 
C) Pd 
D) Pm 
A) P 
B) Pa 
C) Pd 
D) Pm

Question 10

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) electrolytes 
A) elements 
B) compounds 
C) matter 
D) electrolytes

Question 11

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

Question 12

Which of the following is a chemical reaction?

Accepted Answer

A) Rusting of iron 
B) Slicing a ham 
C) Liquefying oxygen 
D) Melting ice 
A) Rusting of iron 
B) Slicing a ham 
C) Liquefying oxygen 
D) Melting ice

Question 13

Iron is an example of a micronutrient.

Accepted Answer

A) True 
 B)False

Question 14

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

Accepted Answer

A)23.5 cal

Question 15

Antimony is a metal.

Accepted Answer

A) True 
 B)False

Question 16

A Calorie is equivalent to 1000 calories.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following represents a homogeneous mixture?

Accepted Answer

A) Brass (an alloy) 
B) Chocolate chip ice cream 
C) Blood 
D) Fog 
A) Brass (an alloy) 
B) Chocolate chip ice cream 
C) Blood 
D) Fog

Question 18

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 19

Which of the following is a metal?

Accepted Answer

A) Boron 
B) Aluminium 
C) Germanium 
D) Phosphorus 
A) Boron 
B) Aluminium 
C) Germanium 
D) Phosphorus

Question 20

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

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

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

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

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

Which of the following is a nonmetal?

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

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

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

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

What is the correct element symbol for palladium?

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

Which of the following statements bests describes a gas?

Which of the following is a chemical reaction?

Iron is an example of a micronutrient.

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

Antimony is a metal.

A Calorie is equivalent to 1000 calories.

Which of the following represents a homogeneous mixture?

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

Which of the following is a metal?

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

Atoms and Radioactivity

Compounds - Putting Particles Together

Introduction to Organic Compounds

Chemical Reactions

Carbohydrates - Lifes Sweet Molecules

Whats the Attraction State Changes, Solubility, and Lipids

Solution Chemistry: How Sweet Is Your Tea

Acids, Bases, and Buffers in the Body

Proteins - Workers of the Cell

Nucleic Acids - Big Molecules With a Big Role

Food As Fuel - A Metabolic Overview

Filters

Exam 1: Chemistry Basics - Matter and Measurement

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

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

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

Which of the following is a nonmetal?

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

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

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

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

What is the correct element symbol for palladium?

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

Which of the following statements bests describes a gas?

Which of the following is a chemical reaction?

Iron is an example of a micronutrient.

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

Antimony is a metal.

A Calorie is equivalent to 1000 calories.

Which of the following represents a homogeneous mixture?

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

Which of the following is a metal?

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

Atoms and Radioactivity

Compounds - Putting Particles Together

Introduction to Organic Compounds

Chemical Reactions

Carbohydrates - Lifes Sweet Molecules

Whats the Attraction State Changes, Solubility, and Lipids

Solution Chemistry: How Sweet Is Your Tea

Acids, Bases, and Buffers in the Body

Proteins - Workers of the Cell

Nucleic Acids - Big Molecules With a Big Role

Food As Fuel - A Metabolic Overview

Filters

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

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

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