Textbook Question
Complete the following statements:
c. Sodium and potassium are examples of elements called _____.
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Ch.4 Atoms and Elements
Timberlake14thChemistry: An Introduction to General, Organic, and Biological ChemistryISBN: 9781292472249
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Table of contents
- Ch.1 Chemistry in Our Lives19
- Ch.2 Chemistry and Measurements80
- Ch.3 Matter and Energy53
- Ch.4 Atoms and Elements58
- Ch.5 Nuclear Chemistry42
- Ch.6 Ionic and Molecular Compounds57
- Ch.7 Chemical Quantities and Reactions38
- Ch.8 Gases30
- Ch.9 Solutions50
- Ch.10 Acids and Bases and Equilibrium64
- Ch.11 Introduction to Organic Chemistry: Hydrocarbons77
- Ch.12 Alcohols, Thiols, Ethers, Aldehydes, and Ketones82
- Ch.13 Carbohydrates54
- Ch.14 Carboxylic Acids, Esters, Amines, and Amides91
- Ch.15 Lipids61
- Ch.16 Amino Acids, Proteins, and Enzymes84
- Ch.17 Nucleic Acids and Protein Synthesis86
- Ch.18 Metabolic Pathways and ATP Production73
Timberlake14thChemistry: An Introduction to General, Organic, and Biological ChemistryISBN: 9781292472249Not the one you use?Change textbook
Chapter 4, Problem 96c
Complete the following statements:
c. Elements that are shiny and conduct heat are called _____.
Verified step by step guidance1
Understand the question: The problem is asking for the term used to describe elements that are shiny and conduct heat. This is a conceptual question related to the properties of elements in chemistry.
Recall the classification of elements: Elements are broadly categorized into metals, nonmetals, and metalloids based on their physical and chemical properties.
Identify the properties mentioned: The question specifies 'shiny' and 'conduct heat,' which are characteristic properties of metals.
Connect the properties to the correct term: Metals are known for their luster (shiny appearance) and their ability to conduct heat and electricity efficiently.
Conclude the answer: The term that fits the description provided in the question is 'metals.'
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Metals
Metals are a category of elements characterized by their shiny appearance and ability to conduct heat and electricity. They typically have high melting and boiling points, and they are malleable and ductile, allowing them to be shaped into various forms. Common examples include iron, copper, and aluminum.
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Conductivity
Conductivity refers to the ability of a material to allow the flow of electric current or heat. In metals, free-moving electrons facilitate this process, making them excellent conductors. This property is essential in various applications, including electrical wiring and heat exchangers.
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Physical Properties of Elements
Physical properties are characteristics that can be observed or measured without changing the substance's chemical identity. For metals, these properties include luster (shininess), malleability, ductility, and conductivity. Understanding these properties helps in identifying and classifying elements in the periodic table.
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Related Practice
Textbook Question
Complete the following statements:
a. The number of protons and neutrons in an atom is also the _____ number.
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Textbook Question
Complete the following statements:
b. The elements in Group 7A (17) are called the _____.
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Textbook Question
Indicate if each of the following statements is true or false:
c. The atomic mass unit is based on a carbon atom with six protons and six neutrons.
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Textbook Question
Which of the following molecules will produce the most ATP per mole?
a. glucose or stearic acid (C18)
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Textbook Question
Indicate if each of the following statements is true or false:
d. The proton and the electron have about the same mass.
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