Chemistry- Chapter 1
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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| Chemistry | the study of composition, structure, and properties of matter and the changes it undergoes
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| What are the types of sciences? | social, natural, biological, chemistry and physics
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| What are the six branches of chemistry? | organic, inorganic, physical, biochemistry, analytical, and theoretical
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| Organic | the study of all things containing carbon
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| Inorganic | the study of all things not containing carbon
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| Physical | the study of the properties and changes of matter, and its reaction to energy
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| Biochemisty | the study of any substances or processes in any living thing
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| Analytical | the identification of components and composition of materials
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| Theoretical | the use of mathematics and calculations to understand the principles behind observed chemical behavior and to design and predict the properties of new compounds
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| What is the difference between intensive and extensive properties? | Intensive properties do not depend on the amount of matter present and extensive properties do depend on the amount of matter present.
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| What are ten signs that a chemical change has occurred? | 1. A gas has been produced
2. A precipitate forms
3. A color change occurs
4. The temperature changes
5. Light is emitted
6. Odor is given off
7. Change in taste
8. Change in volume
9. Change in electrical current
10. Change in melting or boiling
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| What are seven characteristics of metals? | 1. Good conductors
2. Shiny
3. most are solid at room temperature
4. malleable
5. ductile
6. high tensile strength
7. most are grayish/white luster
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| What are two characteristics of nonmetals? | 1. Poor conductors
2. Many are gases at room temperature
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| What is the fundamental unit for mass? | kilogram
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| What is the fundamental unit for length? | meter
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| What is the fundamental unit for time? | seconds
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| What is the fundamental unit for temperature? | kelvin
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| What is the fundamental unit for the number of particles? | mole
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| Mass | the measure of the amount of matter
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| What are four chemical properties? | reactivity, toxicity, stability in the environment, and flammability
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Created by:
ewilham
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