The Periodic Table II Flashcards
Rows of elements numbered from top to bottom
Period
Columns of elements; 18 groups with assigned
Arabic numerals
Groups
Far right of the table
Nonmetals
Left and center of the table
Metals
A.k.a. metalloids; Properties intermediate between
Semimetals
A.k.a Representative Elements; Elements here are involved in the most common chemical reactions
Main-Group Elements
Elements in the middle section transition metals in the same period tend to have similar properties
Transition Metals
Alkali Metals; Mostly found in plant ashes
Group 1
Group 1
Alkali Metals
Alkaline Earth Metals; Mostly found in the earth
Group 2
Group 2
Alkaline Earth Metals
No special name composed of nonmetals, semimetals, and metals so there are big differences with each other
Group 13, 14, 15
Chalcogens
Group 16
Group 16
Chalcogens
Halogens (Greek, “salt-former”)
Group 17