Question 1

Filtering impurities out of water is a(n) _____________ process.

Accepted Answer

physical

Question 2

Water droplets, water molecules, and H2O are water at the following levels:

Accepted Answer

A)  symbolic, nanoscale, macroscale. 
B)  macroscale, symbolic, nanoscale. 
C)  macroscale, nanoscale, symbolic. 
D)  nanoscale, symbolic, macroscale. 
E)  nanoscale, macroscale, symbolic. 
A)  symbolic, nanoscale, macroscale. 
B)  macroscale, symbolic, nanoscale. 
C)  macroscale, nanoscale, symbolic. 
D)  nanoscale, symbolic, macroscale. 
E)  nanoscale, macroscale, symbolic. C

Question 3

Which of the following is not matter?

Accepted Answer

A)  Bacteria. 
B)  Smoke. 
C)  Paper. 
D)  Emotions. 
E)  Both b and d. 
A)  Bacteria. 
B)  Smoke. 
C)  Paper. 
D)  Emotions. 
E)  Both b and d. D

Question 4

Methane is always composed of three parts by weight of carbon and one part by weight of hydrogen. This is an example of:

Accepted Answer

A)  The Law of Conservation of Mass. 
B)  Dalton's Atomic Theory. 
C)  The Law of Constant Composition. 
D)  The Law of Multiple Proportion. 
E)  The Law of Conservation of Energy. 
A)  The Law of Conservation of Mass. 
B)  Dalton's Atomic Theory. 
C)  The Law of Constant Composition. 
D)  The Law of Multiple Proportion. 
E)  The Law of Conservation of Energy.

Question 5

The freezing point and boiling point of water are often used to calibrate thermometers. Give those temperatures in degrees Celsius.

Accepted Answer

A)  0 and 100 
B)  273 and 373 
C)  32 and 212 
D)  0 and 373 
E)  100 and 273 
A)  0 and 100 
B)  273 and 373 
C)  32 and 212 
D)  0 and 373 
E)  100 and 273

Question 6

Which of the following is not part of Dalton's Atomic Theory?

Accepted Answer

A)  Atoms of the same element have the same mass and properties. 
B)  Different elements have atoms that are different from one another. 
C)  Atoms can combine in fractional numbers. 
D)  Atoms are indestructible. 
E)  All matter is made up of atoms. 
A)  Atoms of the same element have the same mass and properties. 
B)  Different elements have atoms that are different from one another. 
C)  Atoms can combine in fractional numbers. 
D)  Atoms are indestructible. 
E)  All matter is made up of atoms.

Question 7

How many of each type of atoms does the compound Cs2SO4 contain?

Accepted Answer

A)  2 cesium, 1 sulfur and 4 oxygen 
B)  2 cesium, 1 silicon and 4 oxygen 
C)  2 cesium, 1 selenium and 4 oxygen 
D)  2 cerium, 1 sulfur and 4 oxygen 
E)  2 cerium, 3 silicon and 4 oxygen 
A)  2 cesium, 1 sulfur and 4 oxygen 
B)  2 cesium, 1 silicon and 4 oxygen 
C)  2 cesium, 1 selenium and 4 oxygen 
D)  2 cerium, 1 sulfur and 4 oxygen 
E)  2 cerium, 3 silicon and 4 oxygen

Question 8

A substance's melting point is an example of a(n) _____________ property.

Accepted Answer

The answer of A substance's melting point is an example...

Question 9

What is a possible explanation of observations called?

Accepted Answer

A)  law 
B)  model 
C)  qualitative statement 
D)  hypothesis 
E)  theory 
A)  law 
B)  model 
C)  qualitative statement 
D)  hypothesis 
E)  theory

Question 10

Three length scales ordered from smallest to largest are:

Accepted Answer

A)  microscale, nanoscale, macroscale. 
B)  microscale, macroscale, nanoscale. 
C)  macroscale, nanoscale, microscale. 
D)  nanoscale, microscale, macroscale. 
E)  none of these. 
A)  microscale, nanoscale, macroscale. 
B)  microscale, macroscale, nanoscale. 
C)  macroscale, nanoscale, microscale. 
D)  nanoscale, microscale, macroscale. 
E)  none of these.

Question 11

Which of the following represents a pair of allotropes?

Accepted Answer

A)  air and oxygen 
B)  glucose and sucrose 
C)  graphite and diamond 
D)  sand and glass 
E)  carbon monoxide and carbon dioxide 
A)  air and oxygen 
B)  glucose and sucrose 
C)  graphite and diamond 
D)  sand and glass 
E)  carbon monoxide and carbon dioxide

Question 12

Which of the following describes a chemical change?

Accepted Answer

A)  Shredding paper. 
B)  Whipping cream. 
C)  Grinding coffee beans. 
D)  Crushing an aluminum can. 
E)  Burning wood. 
A)  Shredding paper. 
B)  Whipping cream. 
C)  Grinding coffee beans. 
D)  Crushing an aluminum can. 
E)  Burning wood.

Question 13

Which of the following is a metalloid?

Accepted Answer

A)  silicon (Si, atomic number 14) 
B)  hydrogen (H, atomic number 1) 
C)  tungsten (W, atomic number 74) 
D)  chlorine (Cl, atomic number 17) 
E)  uranium (U, atomic number 92) 
A)  silicon (Si, atomic number 14) 
B)  hydrogen (H, atomic number 1) 
C)  tungsten (W, atomic number 74) 
D)  chlorine (Cl, atomic number 17) 
E)  uranium (U, atomic number 92)

Question 14

Color is a(n) _____________ property.

Accepted Answer

The answer of Color is a(n) _____________ property....

Question 15

Which state of matter has no definite shape:

Accepted Answer

A)  solid 
B)  liquid 
C)  gas 
D)  b and c 
E)  all of these 
A)  solid 
B)  liquid 
C)  gas 
D)  b and c 
E)  all of these

Question 16

Which of the following is not a physical property?

Accepted Answer

A)  pressure 
B)  heat capacity 
C)  hardness 
D)  reactivity 
E)  temperature 
A)  pressure 
B)  heat capacity 
C)  hardness 
D)  reactivity 
E)  temperature

Question 17

Which of the following will not have a specific composition and specific properties?

Accepted Answer

A)  ozone 
B)  water 
C)  ammonia 
D)  steel 
E)  aspirin 
A)  ozone 
B)  water 
C)  ammonia 
D)  steel 
E)  aspirin

Question 18

An element which has some properties of metals and some properties of nonmetals is called a(n) _____________.

Accepted Answer

The answer of An element which has some properties of...

Question 19

The ability to conduct electricity is a(n) _____________ property.

Accepted Answer

The answer of The ability to conduct electricity is a(n)...

Question 20

In a chemical reaction, 36 g of water is broken down to yield 32 g of oxygen gas and 4 g of hydrogen gas. This is an example of:

Accepted Answer

A)  The Law of Constant Composition. 
B)  The Law of Multiple Proportion . 
C)  The Law of Conservation of Energy. 
D)  The Law of Conservation of Mass. 
E)  Dalton's Atomic Theory. 
A)  The Law of Constant Composition. 
B)  The Law of Multiple Proportion . 
C)  The Law of Conservation of Energy. 
D)  The Law of Conservation of Mass. 
E)  Dalton's Atomic Theory.

Filtering impurities out of water is a(n) _____________ process.

Water droplets, water molecules, and H₂O are water at the following levels:

Which of the following is not matter?

Methane is always composed of three parts by weight of carbon and one part by weight of hydrogen. This is an example of:

The freezing point and boiling point of water are often used to calibrate thermometers. Give those temperatures in degrees Celsius.

Which of the following is not part of Dalton's Atomic Theory?

How many of each type of atoms does the compound Cs₂SO₄ contain?

A substance's melting point is an example of a(n) _____________ property.

What is a possible explanation of observations called?

Three length scales ordered from smallest to largest are:

Which of the following represents a pair of allotropes?

Which of the following describes a chemical change?

Which of the following is a metalloid?

Color is a(n) _____________ property.

Which state of matter has no definite shape:

Which of the following is not a physical property?

Which of the following will not have a specific composition and specific properties?

An element which has some properties of metals and some properties of nonmetals is called a(n) _____________.

The ability to conduct electricity is a(n) _____________ property.

In a chemical reaction, 36 g of water is broken down to yield 32 g of oxygen gas and 4 g of hydrogen gas. This is an example of:

Atoms and Elements

Chemical Compounds

Quantities of Reactants and Products

Chemical Reactions

Energy and Chemical Reactions

Electron Configurations and the Periodic Table

Covalent Bonding

Molecular Structure

Gases and the Atmosphere

Liquids, Solids, and Materials

Chemical Kinetics: Rates of Reactions

Chemical Equilibrium

The Chemistry of Solutes and Solutions

Acids and Bases

Additional Aqueous Equilibria

Thermodynamics: Directionality of Chemical Reactions

Electrochemistry and Its Applications

Nuclear Chemistry

Filters

Exam 1: The Nature of Chemistry

Filtering impurities out of water is a(n) _____________ process.

Water droplets, water molecules, and H2O are water at the following levels:

Which of the following is not matter?

Methane is always composed of three parts by weight of carbon and one part by weight of hydrogen. This is an example of:

The freezing point and boiling point of water are often used to calibrate thermometers. Give those temperatures in degrees Celsius.

Which of the following is not part of Dalton's Atomic Theory?

How many of each type of atoms does the compound Cs2SO4 contain?

A substance's melting point is an example of a(n) _____________ property.

What is a possible explanation of observations called?

Three length scales ordered from smallest to largest are:

Which of the following represents a pair of allotropes?

Which of the following describes a chemical change?

Which of the following is a metalloid?

Color is a(n) _____________ property.

Which state of matter has no definite shape:

Which of the following is not a physical property?

Which of the following will not have a specific composition and specific properties?

An element which has some properties of metals and some properties of nonmetals is called a(n) _____________.

The ability to conduct electricity is a(n) _____________ property.

In a chemical reaction, 36 g of water is broken down to yield 32 g of oxygen gas and 4 g of hydrogen gas. This is an example of:

Atoms and Elements

Chemical Compounds

Quantities of Reactants and Products

Chemical Reactions

Energy and Chemical Reactions

Electron Configurations and the Periodic Table

Covalent Bonding

Molecular Structure

Gases and the Atmosphere

Liquids, Solids, and Materials

Chemical Kinetics: Rates of Reactions

Chemical Equilibrium

The Chemistry of Solutes and Solutions

Acids and Bases

Additional Aqueous Equilibria

Thermodynamics: Directionality of Chemical Reactions

Electrochemistry and Its Applications

Nuclear Chemistry

Filters

Water droplets, water molecules, and H₂O are water at the following levels:

How many of each type of atoms does the compound Cs₂SO₄ contain?