How many of the following pairs of elements and symbols are entirely correct? Silver, Si &ensp; Manganese, Mg &ensp; Copper, Co &ensp; Potassium, P

A) none B) 1 C) 2 D) 3 A) none B) 1 C) 2 D) 3

Exam 4: Basic Concepts About Matter

For each set of elements choose the appropriate characterization of the set's elemental symbols from the response list. Responses may be used more than once or need not be used at all. - gold, silver, arsenic

(Multiple Choice)

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Question 21

For each set of elements choose the appropriate characterization of the set's elemental symbols from the response list. Responses may be used more than once or need not be used at all. - iron, tungsten, potassium

(Multiple Choice)

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Question 22

Indicate whether the following descriptions of matter represents an -One substance present, two elements present. ____________________

(Multiple Choice)

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Question 23

A liter sample of oxygen has been purified. Which of the following characteristics will not apply to the oxygen sample?

(Multiple Choice)

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Question 24

The description "three substances present, two phases present" is correct for ________.

(Multiple Choice)

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Question 25

Which of the following is a chemical change?

(Multiple Choice)

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Question 26

How many of the following pairs of elements and symbols are entirely correct? Silver, Si Manganese, Mg Copper, Co Potassium, P

(Multiple Choice)

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Question 27

What is the difference between an extensive and an intensive property? Give one example of each.

(Essay)

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Question 28

The most abundant elements in the Earth's crust are ________.

(Multiple Choice)

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Question 29

Which of the following can be classified as a mixture and not as a pure substance? I. oxygen II. antifreeze III. distilled water IV. human blood V. brass alloy

(Multiple Choice)

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Question 30

Which of the following statements concerning the known elements is true?

(Multiple Choice)

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Question 31

Which response includes all of the following that involve chemical changes and no physical changes? I. burning charcoal II. melting of gold III. fermentation of grapes IV. burning of natural gas V. melting of ice

(Multiple Choice)

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Question 32

For each set of elements choose the appropriate characterization of the set's elemental symbols from the response list. Responses may be used more than once or need not be used at all. - cesium, chlorine, copper

(Multiple Choice)

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Question 33

Indicate whether each of the following statements represents a chemical change, a physical change, or no change occurred. -Hydrochloric acid was added to baking sodaresulting in the evolution of carbon dioxide gas. ____________________

(Short Answer)

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Question 34

In which pair does the symbol match the element name?

(Multiple Choice)

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Question 35

Nitrogen gas has a(n) volume and a(n) shape.

(Multiple Choice)

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Question 36

For each characterization of matter, choose the appropriate classification from the response list. Responses may be used more than once or need not be used at all. - 2 substances present, 2 phases present

(Multiple Choice)

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Question 37

In which of the following sequences of elements do each of the elements have a one-letter symbol?

(Multiple Choice)

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Question 38

A pure substance A is found to change upon heating into two new pure substances, B and C. C can be decomposed by chemical means, B cannot be decomposed by chemical means. From this we may conclude that ________.

(Multiple Choice)

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Question 39

Which of the following substances is a heterogeneous mixture?

(Multiple Choice)

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Question 40

Showing 21 - 40 of 75

For each set of elements choose the appropriate characterization of the set's elemental symbols from the response list. Responses may be used more than once or need not be used at all. - gold, silver, arsenic

For each set of elements choose the appropriate characterization of the set's elemental symbols from the response list. Responses may be used more than once or need not be used at all. - iron, tungsten, potassium

Indicate whether the following descriptions of matter represents an -One substance present, two elements present. ____________________

A liter sample of oxygen has been purified. Which of the following characteristics will not apply to the oxygen sample?

The description "three substances present, two phases present" is correct for ________.

Which of the following is a chemical change?

How many of the following pairs of elements and symbols are entirely correct? Silver, Si Manganese, Mg Copper, Co Potassium, P

What is the difference between an extensive and an intensive property? Give one example of each.

The most abundant elements in the Earth's crust are ________.

Which of the following can be classified as a mixture and not as a pure substance? I. oxygen II. antifreeze III. distilled water IV. human blood V. brass alloy

Which of the following statements concerning the known elements is true?

Which response includes all of the following that involve chemical changes and no physical changes? I. burning charcoal II. melting of gold III. fermentation of grapes IV. burning of natural gas V. melting of ice

For each set of elements choose the appropriate characterization of the set's elemental symbols from the response list. Responses may be used more than once or need not be used at all. - cesium, chlorine, copper

Indicate whether each of the following statements represents a chemical change, a physical change, or no change occurred. -Hydrochloric acid was added to baking sodaresulting in the evolution of carbon dioxide gas. ____________________

In which pair does the symbol match the element name?

Nitrogen gas has a(n) volume and a(n) shape.

For each characterization of matter, choose the appropriate classification from the response list. Responses may be used more than once or need not be used at all. - 2 substances present, 2 phases present

In which of the following sequences of elements do each of the elements have a one-letter symbol?

A pure substance A is found to change upon heating into two new pure substances, B and C. C can be decomposed by chemical means, B cannot be decomposed by chemical means. From this we may conclude that ________.

Which of the following substances is a heterogeneous mixture?

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Electronic Structure and Chemical Periodicity

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States of Matter

Gas Laws

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Exam 4: Basic Concepts About Matter

For each set of elements choose the appropriate characterization of the set's elemental symbols from the response list. Responses may be used more than once or need not be used at all. - gold, silver, arsenic

For each set of elements choose the appropriate characterization of the set's elemental symbols from the response list. Responses may be used more than once or need not be used at all. - iron, tungsten, potassium

Indicate whether the following descriptions of matter represents an -One substance present, two elements present. ____________________

A liter sample of oxygen has been purified. Which of the following characteristics will not apply to the oxygen sample?

The description "three substances present, two phases present" is correct for ________.

Which of the following is a chemical change?

How many of the following pairs of elements and symbols are entirely correct? Silver, Si Manganese, Mg Copper, Co Potassium, P

What is the difference between an extensive and an intensive property? Give one example of each.

The most abundant elements in the Earth's crust are ________.

Which of the following can be classified as a mixture and not as a pure substance? I. oxygen II. antifreeze III. distilled water IV. human blood V. brass alloy

Which of the following statements concerning the known elements is true?

Which response includes all of the following that involve chemical changes and no physical changes? I. burning charcoal II. melting of gold III. fermentation of grapes IV. burning of natural gas V. melting of ice

For each set of elements choose the appropriate characterization of the set's elemental symbols from the response list. Responses may be used more than once or need not be used at all. - cesium, chlorine, copper

Indicate whether each of the following statements represents a chemical change, a physical change, or no change occurred. -Hydrochloric acid was added to baking sodaresulting in the evolution of carbon dioxide gas. ____________________

In which pair does the symbol match the element name?

Nitrogen gas has a(n) ________ volume and a(n) ________ shape.

For each characterization of matter, choose the appropriate classification from the response list. Responses may be used more than once or need not be used at all. - 2 substances present, 2 phases present

In which of the following sequences of elements do each of the elements have a one-letter symbol?

A pure substance A is found to change upon heating into two new pure substances, B and C. C can be decomposed by chemical means, B cannot be decomposed by chemical means. From this we may conclude that ________.

Which of the following substances is a heterogeneous mixture?

The Science of Chemistry

Numbers From Measurements

Unit Systems and Dimensional Analysis

Atoms, Molecules, Formulas, and Subatomic Particles

Electronic Structure and Chemical Periodicity

Chemical Bonds

Chemical Nomenclature

Chemical Calculations: the Mole Concept and Chemical Formulas

Chemical Calculations Involving Chemical Equations

States of Matter

Gas Laws

Solutions

Acids, Bases and Salts

Oxidation and Reduction

Reaction Rates and Chemical Equilibrium

Nuclear Chemistry

Filters

Nitrogen gas has a(n) volume and a(n) shape.