Modern Periodiclaw
physical and chemical properties of the elements are peridr.
The number.
functionsof their atomic
Long form of periodic table
7 periods (horizontal rows)
18groups (Vertical columns)
Name
Group
Alkali metals
|Group 1
Alkaline earth metals
Group 2
Transition elements
Group 3-12
Group 13 Boron family
Group 14 Carbon family
Group 15 Nitrogen family or pnicogens
Group 16 Oxygen family or chalcogens
Group 17 Halogens
|Group 18 Noble gases (old name inert gas es)
physical and chemical properties of the elements are peridr.
The number.
functionsof their atomic
Long form of periodic table
7 periods (horizontal rows)
18groups (Vertical columns)
Name
Group
Alkali metals
|Group 1
Alkaline earth metals
Group 2
Transition elements
Group 3-12
Group 13 Boron family
Group 14 Carbon family
Group 15 Nitrogen family or pnicogens
Group 16 Oxygen family or chalcogens
Group 17 Halogens
|Group 18 Noble gases (old name inert gas es)
