Basic Definitions
Name that Group
Identify the Element
Atomic Laws
100
The chart of elements arranged by properties.
Periodic Table
100
The name for Group 1A.
Alkali Metals
100
Group 2, Period 3
Magnesium
100
Which represents the reactant in the experiment?
Water
200
a substance (made up of the same type of atoms) that cannot be chemically broken down any further.
Element
200
The name for Group 18.
Noble Gases
200
Group 17, Period 2
Fluorine
200
The Law that states: mass is neither created nor destroyed in chemical reactions
The Law of Conservation of Mass
300
The horizontal rows on the periodic table.
Periods
300
The name for Group 2A
Alkaline Earth Metals
300
Group 10, Period 4
Nickel
300
What law states: "different samples of a pure chemical substance always contain the same proportion of elements by mass"
Law of Definite Proportions
400
Groups 1, 2, and 13-18 on the periodic table.
Main Groups
400
Colorful gases that are usually seen in diatomic form.
Halogens
400
Group 18, Period 2
Neon
400
In what experiment was the electron first discovered?
Thomson's Cathode Ray Experiment
500
The 14 groups shown separately at the bottom of the periodic table.
Inner transition metal groups
500
Colorless gases with low reactivity.
Noble Gases
500
Group 7, Period 4
Manganese
500
In what experiment was the charge of an electron discovered?
Millikan's Oil Drop Experiment