PERIODIC TABLE OF ELEMENTS :
PERIODIC TABLE OF ELEMENTS CHEMISTRY
THE GROUPS :
THE GROUPS vertical column in the periodic table
numbering the column from 1-18 going from left to right
18 groups CHEMISTRY
GROUPS IN THE PERIODIC TABLE :
GROUPS IN THE PERIODIC TABLE 1 Lanthanide series 2 14 13 17 16 15 18 Actinide series 3 4 5 6 7 8 9 10 11 12 CHEMISTRY
THE PERIODS :
THE PERIODS horizontal row in the periodic table
7 periods
numbering the row from 1-7 going from top to bottom CHEMISTRY
PERIODS IN THE PERIODIC TABLE :
PERIODS IN THE PERIODIC TABLE 1 2 3 4 5 6 7 CHEMISTRY
THE BASIC PRINCIPLE OF ARRANGING THE ELEMENTS IN THE PERIODIC TABLE :
THE BASIC PRINCIPLE OF ARRANGING THE ELEMENTS IN THE PERIODIC TABLE according to the proton number
from left to right and from top to bottom
zig zag pattern CHEMISTRY
PROTON NUMBER :
PROTON NUMBER Atomic number
number of proton
in atom’s nucleus 6
C CHEMISTRY
PERIODIC TABLE OF ELEMENTS :
PERIODIC TABLE OF ELEMENTS CHEMISTRY MNEMONIC