Physical Science, Module 1 Flashcards
1
Q
Define “molecule”.
A
Two or more atoms linked together to make a substance with unique properties.
2
Q
Define “concentration”.
A
The quantity of a substance within a certain volume of space.
3
Q
What is the numerical definition of the prefix milli-?
A
One-thousandth.
4
Q
What is the numerical definition of the prefix centi-?
A
One-hundredth.
5
Q
What is the numerical definition of the prefix kilo-?
A
One thousand.
6
Q
What Metric units are used for measuring mass, volume, and length?
A
Mass- gram
Volume- litre
Length- metre
7
Q
What English units are used for measuring mass, volume, and length?
A
Mass- slug
Volume- gallon
Length- foot
8
Q
Define “atom”.
A
The smallest stable unit of matter in creation.
