Mixtures
Compounds
Elements
Properties of matter
Atoms and Molecules
100
concrete
An example of this mixture is found paving many driveways
100
List the number of Hydrogen atoms for each element in this compound: NH3
What is 3
100
Substances composed of only one type of atom are called
What is an element
100
space occupied, measured in cubic units
What is volume
100
an element or compound found in nature
What is mineral
200
An Alloy is...
What is A mixture or solid composed of two or more metals melted together
200
In a chemical formula, the number of atoms for each element is usually indicated by a _____.
What is subscript
200
The formula for common table salt is NaCl. What elements are in table salt?
What is Sodium and Chlorine
200
an instrument for determining mass
What is a balance
200
The standard unit for measuring mass is the
What is kilogram
300
A Mixture
What is The atmosphere an example of?
300
A compound contains two or more
What is elements
300
Au is the chemical symbol for...
What is Gold
300
All matter has mass and takes up???
What is Space
300
two basic properties of matter are?
What is mass and volume
400
A Mixture
What is Sea water an example of?
400
A compoud is two or more different
What is elements
400
The illustrated arrangement of the elements and their atomic properties is summarized in the
What is the Periodic Table
400
The tendency of an object to float is called
What is bouyancy
400
two or more atoms chemically combined
What is molecule
500
No chemical bonding took place between the ingredients. The elements or compounds in the mixtures have no definite proportions.
Why do mixtures such as sugar and water lack a chemical formula?
500
a chemical formula is used to name
What is a compound
500
The atomic weight is the combination of protons and??
What is Neutrons
500
The quantity of mass of an object contained within its volume is a measure of
What is density
500
The force produced by the pull of the earth's gravity on an object is called
What is weight
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