Hodge Podge
Two classifications of mixtures
Homogeneous and Heterogenous
Each element is represented by a one- or -two letter ?
Chemical Symbol
States that in any physical change or chemical reaction, mass is conserved.
Law of conservation of mass.
Heterogeneous mixture
Your bodily composition is mostly?
Water
Describe a gaseous state of a substance that is generally a liquid or solid at room temperature.
Vapor
Au is ?
Gold
Milk turns sour is an example of ?
Chemical Change
A mixture in which the composition is uniform throughout.
Homogeneous Mixture
What is a quality or condition of a substance that can be observed or measured without changing the substances composition.
Physical Property
Three indicators that a Chemical Change has taken place.
Color Change
Precipitate forms
Production of Gas
Burning
Smoke produced
Pt is ?
Platinum
A measure of how close a measurement comes to the actual measurement
Accuracy
A measure of how close a series of measurements are to one another, irrespective of the actual value.
Precision
Mass and volume are examples of this.
A change that produces matter with a different composition.
Chemical Change
Al is ?
Aluminum
A substance produced in the reaction is called ?
The difference between the experimental value and the accepted value.
Error
Absorbancy is an example of this.
Intensive Property
Can change states without a chemical reaction.
Water
Xe is ?
Xenon
A solid that forms and settles out of a liquid mixture.
Precipitate
A substance that contains two or more elements chemically combined in a fixed proportion.
Compound
An arrangement of elements in which the elements are separated into groups based on a set of repeating properties.
Periodic Table