Period Table Flashcards
Vertical Columns
Groups or Families
18 left to right
1 & 2, 3A-8A
Horizontal Rows
7 Periods
Group IA
Alkali Metals
Left Column Lithium down
(except Hydrogen Gas)
Group IIA
Alkaline Earth Metals
Column 2
Starting with Be Berillium
Group IIIB - IIB
3B-2B
Transition Metals
VII A
Group 7A
Halogens
Starting with F (Flourine)
VIII A
GROUP 8A
Noble Gases, Rare Gases, Inert Gases
He (Helium) down
Alkaline Earth Metal in period 5 2nd Column
Strontium Sr
Nobel Gas in period 6, 6th. Row last column
Radon - radio active Nobel gas
(colorless & odorless)
Diatomic Molecules
7 elements that come in pairs
H N O F Cl Br I
A species that is charged when electrons are gained or lost
Ions
Positively charged ion
Cation
Negatively charged ion
Anion
2 or more atoms joined together by a chemical bond
Molecule
2 or more atoms joined together by a chemical bond
Diatomic molecules