Changes, Reactions, and Properties
Physical and chemical.
What are the types of changes?
All matter is made up of this.
What are atoms?
The two ways matter can be broken down.
What are mixtures and pure substances?
How the periodic table is organized.
What is by their properties?
What is an indicator?
Density, melting point, boiling point, solubility, malleability, and ductility.
What is a physical property?
The amount of electrons the outer energy level can hold.
What is eight electrons?
This mixture is not mixed evenly.
What is a heterogeneous mixture?
Amount of elements on the periodic table.
What is 118 elements?
D = M/V
What is the formula for density?
Oxidation, combustibility, and reactivity.
What is a chemical property?
The amount of electrons the first energy level can hold.
What is two electrons?
This pure substance is two or more chemically-combined elements.
What is a compound?
What is metals, nonmetals, and metalloids?
This shows the level of acidity.
What is the pH scale?
Color change, temperature change, gas formation, and bubbles.
What is a sign of a chemical change?
Nucleus, proton, electron, and neutron.
What are parts of an atom?
This is made from one type of atom.
What is an element?
Horizontal rows and vertical columns.
What are how periods and groups are "shaped?"
What is anything more than 7 on the pH scale?
A change in size, state of matter, and shape.
What is the sign of a physical change?
What are the particles which amounts are always equal?
This grouping of matter can be physically seperated.
What is a mixture?
Alkali metals, alkaline earth metals, transition metals, halogens, and noble gases.
What are the groups on the periodic table?
6.02 x 1023
What is Avogadro's number, or 1 mol?