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AP Chem Vocab Ch. 1
Chapter 1 vocabulary
32
Chemistry
11th Grade
07/09/2008

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Term
Chemistry
Definition
Study of the properties and behaviors of matter
Term
Matter
Definition
The physical material of the universe
Term
Property
Definition
Any characteristic that distinguishes one type of matter from another
Term
Atoms
Definition
Smallest building blocks of matter
Term
Molecules
Definition
Two or more atoms joined in a specific shape
Term
Macroscopic
Definition
The World as we see it
Term
Submicroscopic
Definition
World of atoms and molecules
Term
Liquid
Definition
Distinct volume but not shape
Term
Gas
Definition
No distinct volume, no distinct shape
Term
Solid
Definition
Distinct volume, destinct shape
Term
Pure substances
Definition
distinct properties and a composition that doesn't vary from sample to sample
Term
Elements
Definition
Can't be decomposed into simpler substances
Term
Compounds
Definition
Composed of two or more elements
Term
Mixtures
Definition
Compounds whose component retain thier own chemical identity
Term
Physical properties
Definition
Can be measured without changing the identity or composition
Term
Chemical properties
Definition
The way a substance may react to form another substance
Term
Intensive properties
Definition
properties that don’t depend on amount
Term
Extensive properties
Definition
Extensive properties do depend on quantity
Term
Chemical changes
Definition
When a substance changes into a chemically different substance
Term
SI Units
Definition
The standard units for scientific measure
Term
Mass
Definition
the measure of the amount of material in an object
Term

 

Celsius Scale 

Definition

 

 

based upon 0 degrees being H2O freezing point and 100 degrees being H2O boiling point

Term
Kelvin Scale
Definition

 

 

 based off 0 degrees being the lowest attainable temp (-273.15 degrees celsius)

Term

 

Absolute Zero 

Definition

 

-273.15 degrees Celsius the lowest attainable temp 

Term

 

Precision 

Definition

 

a measure of how closely individual measurements agree with each other 

Term

 

Accuracy 

Definition

 

how closely individual measurements agree with the true value

 

Term
[image]
Definition

 

Syringe 

Term

 

 

[image]

Definition

 

Buret... even if it doesn't look like one 

Term
[image]
Definition

 

Pipet 

Term
[image]
Definition

 

Volumetric flask 

Term

 

Sig Figs 

Definition

 

All digits of a measured quantity are Sig Figs (Significant Figures)

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