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Unit 1 Chemistry Quiz Flashcards | StudBud
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Unit 1 Chemistry Quiz
Unit 1 Chemistry Quiz
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Review for unit 1 test
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Questions
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Answers
1
A change in the physical form of a substance, without creating a new one is called
chemical change
organic change
physical change
solid change
2
The smallest complete units of an element are
atoms
protons
neutrons
electrons
3
Anything that occupies space is called
matter
chemistry
combustion
energy
4
The following is an example of a compound:
oxygen gas (O2)
NaCl (table salt)
hydrogen (H)
carbon (C)
5
The SMALLEST COMPLETE UNIT of an element
atom
neutron
electron
proton
6
A mixture of two (or more) compounds that are evenly dispersed
solution
suspension
powder
gel
7
Find the heat for 5.0 g of copper that is heated from 20 degrees to 30 degrees:
-19.25 J
192.5 J
1.925 Joules
19.25 Joules
8
An example of an element is
H20 (water)
sulfur (S)
Fe2O3 (rust)
NaCl (table salt)
9
Basic units of matter that can not be made any smaller by chemical reactions are called
elements
atoms
neutrons
electrons
10
A change that creates a new substance with different characteristics from the original one:
chemical structure
chemical change
phase change
physical change
11
What is created when 2 different elements combine?
atom
element
molecule
compound
12
Two or more compounds blended physically are called a
mixture
suspension
solution
emulsion
13
What is it called when Hydrogen joins with Oxygen to form water?
oxidation
reduction
chemical change
physical change
14
Water boiling is an example of a
chemical change
mixture
chemical bond
physical change
15
The scientific study of physical and chemical changes affecting matter is called
chemistry
chemical analysis
biology
cosmetic regulations
16
The ability to do work to effect change is called
Radiation
Energy
Transformation
Matter
17
An indicator of a chemical reaction include:
A color change
All of these are indicators
Light emission
Heat released or absorbed
