Exam 2: Basic Chemistry

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Draw several (5 or 6)individual,unbonded water molecules.Simulate what happens when table salt (Na⁺Cl^-)is added to water.Use the model you created to explain why salt is added to the roads in a 'snowy',cold climate.

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Question 41

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Which substances are on the basic side of the pH scale?

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Question 42

The scale ranges from 1 to 15.

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Question 43

Following nitrogen (78%)and oxygen (21%),argon is the next most common gas in the atmosphere (less than 1%).Checking the table of elements,you discover that argon is one of a family of atoms with outer shells already full of electrons.How is this related to the fact that these atoms have virtually no biological importance?

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If you place the corner of a paper towel into a droplet of water the water moves across the paper towel.Which of the following would explain the movement of the water?

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Question 45

Which property of water allows it to act as a transport medium?

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Question 46

If an element contains 8 electrons how many electrons will be placed in the 2nd valence shell?

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Question 47

Which is NOT true about the electrical charges in chemistry?

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Question 48

If the atomic number of an element is 6 and the atomic mass is 12.01,how many protons are there in the nucleus?

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Question 49

Which statement is NOT true about covalent bonds?

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Question 50

Which one is NOT one of the properties of water?

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Question 51

Which statement is NOT true about polar covalent bonds?

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Question 52

Which statement is NOT true about subatomic particles?

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Question 53

What is the maximum number of electrons that will be in the 1st valence shell?

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Question 54

Which of the following concept circles best depicts the relationship between molecules and compounds (c = compound and m = molecule). A. ?. C.

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Question 55

Which of the following would be a proposed mechanism by which stomach antacids work?

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Question 56

How many elements are required to form a molecule?

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Question 57

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Exam 2: Basic Chemistry

Draw several (5 or 6)individual,unbonded water molecules.Simulate what happens when table salt (Na+Cl-)is added to water.Use the model you created to explain why salt is added to the roads in a 'snowy',cold climate.

Which substances are on the basic side of the pH scale?

The scale ranges from 1 to 15.

If you place the corner of a paper towel into a droplet of water the water moves across the paper towel.Which of the following would explain the movement of the water?

Which property of water allows it to act as a transport medium?

If an element contains 8 electrons how many electrons will be placed in the 2nd valence shell?

Which is NOT true about the electrical charges in chemistry?

If the atomic number of an element is 6 and the atomic mass is 12.01,how many protons are there in the nucleus?

Which statement is NOT true about covalent bonds?

Which one is NOT one of the properties of water?

Which statement is NOT true about polar covalent bonds?

Which statement is NOT true about subatomic particles?

What is the maximum number of electrons that will be in the 1st valence shell?

Which of the following concept circles best depicts the relationship between molecules and compounds (c = compound and m = molecule). A. ?. C.

Which of the following would be a proposed mechanism by which stomach antacids work?

How many elements are required to form a molecule?

A View of Life

The Chemistry of Organic Molecules

Cell Structure and Function

Membrane Structure and Function

Metabolism: Energy and Enzymes

Photosynthesis

Cellular Respiration

The Cell Cycle and Cellular Reproduction

Meiosis and Sexual Reproduction

Mendelian Patterns of Inheritance

Molecular Biology of the Gene

Regulation of Gene Expression

Biotechnology and Genomics

Darwin and Evolution

How Populations Evolve

Speciation and Macroevolution

Origin and History of Life

Taxonomy,systematics,and Phylogeny

Viruses,bacteria,and Archaea

Protist Evolution and Diversity

Fungi Evolution and Diversity

Plant Evolution and Diversity

Flowering Plants: Structure and Organization

Flowering Plants: Nutrition and Transport

Flowering Plants: Control of Growth Responses

Flowering Plants: Reproduction

Invertebrate Evolution

Vertebrate Evolution

Human Evolution

Animal Organization and Homeostasis

Circulation and Cardiovascular Systems

The Lymphatic and Immune Systems

Digestive Systems and Nutrition

Respiratory Systems

Body Fluid Regulation and Excretory Systems

Neurons and Nervous Systems

Sense Organs

Locomotion and Support Systems

Hormones and Endocrine Systems

Reproductive Systems

Animal Development

Behavioral Ecology

Population Ecology

Community and Ecosystem Ecology

Major Ecosystems of the Biosphere

Conservation of Biodiversity

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Draw several (5 or 6)individual,unbonded water molecules.Simulate what happens when table salt (Na⁺Cl^-)is added to water.Use the model you created to explain why salt is added to the roads in a 'snowy',cold climate.