Chapter 1 questions
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| A scientist is working in the lab, with compounds containing carbon. She is most likely working in the field of... | organic chemistry
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| The branch of chemistry called analytical chemistry most likely would be used in determining the... | chemical composition of a new substance
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| A scientist is working with mathematical and computer models to learn about the principles at work in a chemical reaction. He is working in the field of... | theoretical chemistry
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| Research that is carried out for the sake of increasing knowledge, such as research into the properties of a substance, is considered to be... | basic research
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| A scientist is working to improve a product that uses fiber optics. This is an example of... | applied research and technological development
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| To find a safer chemical for industrial purposes, a scientist is working with chemicals that do not cause depletion of ozone in the atmosphere. This is an example of... | applied research
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| The smallest unit of matter that retains the properties of that matter is... | an atom
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| An element is... | a pure substance made up of only one kind of atom
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| An example of extensive property of matter would be... | volume
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| An example of intensive property of matter would be... | density
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| An example of a physical change of matter would be... | water evaporating
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| Which state of matter is composed of atoms that have lost many of their electrons? | plasma
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| An example of a chemical change of matter would be... | vinegar combining with baking soda to produce carbon dioxide
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| A homogeneous mixture is one that... | is uniform in composition
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| An example of a heterogeneous mixture would be... | chunky peanut butter
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| What is the difference between a mixture and a compound? | Mixtures can be separated by physical processes.
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| What is an example of a pure substance? | water
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| Homogeneous mixtures are also called | solutions
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| At sea level, water boils at 100*C. This is an example of a... | physical property
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| In general. which properties are common to elements within a single group on the periodic table? | chemical properties and ability to bond to other atoms
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| The horizontal rows on the periodic table are called... | periods
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| Which property would be least helpful in determining whether a substance is metal or a nonmetal? | luster
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| Noble gases are generally | unreactive
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Or sort by any of the columns using the down arrow next to any column heading.
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