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Chapter 2 & 3 Chemistry
Everett
41
Science
6th Grade
05/16/2013

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Term
Chapter 2 & 3 Chemistry
Definition
Mrs. Everett
Term
A liquid
Definition
Does not have a definite shape but it does have a definite volume
Term
When the temperature is constant the volume of a gas will
Definition
Increase as the pressure decreases
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A cake baking is an example of a
Definition
Chemical change
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Freezing
Definition
The change of state from a liquid to a solid-reverse of melting
Term
A solid is a state of matter that has a
Definition
Definite volume & definite shape
Term
The resistance of a liquid flowing is
Definition
Viscosity
Term
Particles of liquid
Definition
Are free to move throughout a container but remain in close contact with one another
Term
Gas
Definition
Particles spread far apart and fill the space available to them
Term
Boyles Law: When the pressure of a gas increases at constant temperature its volume
Definition
Decreases
Term
When the temperature of a gas decreases at constant volume its
Definition
Pressure decreases
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Charles Law: when the temperature of a gas increases at constant pressure its
Definition
Volume increases
Term
When an inflated balloon is exposed to cold air
Definition
The volume of the balloon decreases
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A change that alters the form of a substance without changing it into a new substance is called a
Definition
Physical change
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A chemical change results in
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Different substances with different properties
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In chemical reactions the law of conservation of energy means that
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The total amount of energy stays the same
Term
Process that involves a gas changing into a liquid
Definition
Condensation
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What always happens as a result of a chemical reaction?
Definition
New substances are produced
Term
On a long trip a trucks tires can get very hot and cause
Definition
Their pressure to increase
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When the temperature of a gas increases its
Definition
Pressure increases
Term
The amount of space that a gas takes up
Definition
Volume
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State of matter that undergoes changes in volume most easily
Definition
Gas
Term
Mendeleev created the 1st periodic table by arranging elements in order of
Definition
Increasing atomic mass
Term
From an element's location in the periodic table you can predict its
Definition
Properties
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Column of the periodic table
Definition
The elements have similar properties
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Most metals are NOT
Definition
Liquid at room temperature
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Metals
Definition
Show a wide range of chemical properties
Term
In the periodic table the most reactive metals are found
Definition
In group 1, the 1st column on the left
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Nonmetals are located
Definition
To the right of the zigzag line
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Group that contains the most elements
Definition
Metals
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Where are the valence electrons located in an atom?
Definition
Farthest from the nucleus
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The elemnts in a row of the periodic table
Definition
Are in the same period
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The elements in a column of the periodic table
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Are in the same family
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The atomic number of an element is based on the
Definition
Number of protons in its nucleus
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The common state of matter that does not have a definite shape or definite volume
Definition
Gas
Term
The resistance of a liquid to flowing
Definition
Viscosity
Term
To test Boyle's Law you could change the volume of a gas and measure its
Definition
Pressure at constant temperature
Term
According to Charle's Law whenever the temperature of a gas at constant pressure decreases, the volume
Definition
Decreases
Term
Solids that have particles arranged in a regular, repeating pattern
Definition
Crystalline solids
Term
Weather balloons are filled with only a small amount of helium because the
Definition
Volume of the balloon will increase as air pressure decreases at higher altitudes
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When the speed of gas molecules increases
Definition
Pressure of the gas also increases
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