Some info about the periodic table.

1. PERIODIC TABLE

2.  The periodic table is a tabular display of the
chemical elements, organized on a basis of their
properties. Elements are presented in increasing
atomic number.
 A group is a vertical column in the periodic table.
 A period is a horizontal row in the periodic table.
Atomic
number
Element Symbol
Element Name
Atomic mass
Valence is a
measure of the
number of bonds
formed by an
atom.

4. GROUPS
GROUP A:
IA: Alkali metals
IIA: Alkali earth metals
IIIA: Boron group
IVA: Carbon group
VA: Nitrogen group
VIA: Oxygen group
VIIA: Halogens
VIIIA: Noble gases
GROUP B:
Transition metals
Lanthanides + Actinides= Rare earth elements

5.  Transition metals: Silver, Zinc, Copper, Mercury,
Gold, Iron, Cobalt, Nickel, Manganese, Chromium.
 Carbon group: Carbon, Silicon.
 Nitrogen group: Nitrogen, Phosphorus, Arsenic.
 Oxygen group: Oxygen, Sulfur, Selenium.
 Halogens: Fluorine, Chlorine.
 Boron Group: Boron, Aluminium.
 Alkali metals: Hydrogen, Sodium, Potassium.
 Alkali earth metals: Magnesium, Calcium
 Noble gases: Helium, Neon, Argon.
SOME ELEMENTS