Elements/ Symbols/ Compounds/ Mixtures Flashcards
What is a compound?
A combination of two or more elements. It does not appear appear on the periodic table but contains the name of two or more elements.
What questions do we ask to identify substances?
- Is the name of the material on the list of elements?
- Is the material a compound, solution, or heterogeneous mixture?
3) Are the names or part of the of two elements present in the scientific name of the material?
A substance can be classified into one of four classes of mater known as
1) Elements
2) Compounds
3) Homogeneous mixture (or solution)
4) Heterogeneous mixture
What is a homogeneous (solution)
A combination of two or more elements or compounds that appears to the eye to be one layer or material.
What is a heterogenous mixture?
A combination of two or more elements or compounds that appears to the eye to be two layer or material.
Soda pop is an example of what kind of class of water?
Not on the list of elements.
Does not contain the names of elements.
Appears to the eye as one layer.
A solution.
Oil and water
Not on the list of elements.
Does not contain the name of two elements.
Appears to the eye as two layers.
A heterogeneous mixture.
Al
Aluminum
Sb
Antimony
Ar
Argon
As
Arsenic
Ba
Barium
Be
Beryllium
Bi
Bismuth
B
Boron
Br
Bromine
Cd
Cadmium
Ca
Calcium
C
Carbon
Cl
Chlorine
