21 terms

Chemistry Part 1

Study these terms for the chemistry test.
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volume
To find the ____ of a rectangular object, you multiply the object's length, width, and height.
weight
An object's ____ is a measure of the force of gravity acting on the object.
mass divided by volume
What is the formula to calculate density?
g/cm3 or g/ml
What do you label density?
atom
The smallest particle of an element.
mixture
Two or more substances that are together in the same place but are not chemically combined.
density
A raw egg will sink in fresh water because its ____ is more than 1g/cm3.
buoyancy
The tendency of an object to float or rise in a fluid.
neutral buoyancy
The tendency of an object to neither float or nor sink in a fluid.
neutral buoyancy
This will occur when the density of an object is equal to the density of the liquid it is in.
homogeneous mixture
Formed when two or more substances are so evenly mixed that you can't see the different parts.
mass
The measure of the total amount of matter in any object.
volume
Milliliters and cubic centimeters are used to measure this.
chemical formula
Shows the elements in a compound and the ratio of atoms.
molecule
Group of two or more atoms that are held together by chemical bonds.
compound
Formed from two or more elements that are chemically combined in a set ratio.
25
A volume of 25 milliliters is the same as a volume of ____ cubic centimeters.
matter, volume (in that order)
Salt water is more dense than fresh water because there is more ____ packed into the same ___.
.5g/cm3
If a block of wood has a volume of 150cm3 and a mass of 75g, what is the density of that wood?
sink
If an object's density is greater than 1g/ml, it will ____ in water.
float
If an object's density is less than 1g/ml, it will ____ in water.