The only thing it might mean would be number, but that is usually no. and not NO. NO would be nitrogen oxide (nitric oxide), but that would NOT appear in the Periodic Table, as it is a compound, and only ELEMENTS appear in the periodic table.
Ci means chlorine in the periodic table
Er means erbium in the periodic table. It belongs to lanthanide series.
Mo stands for Molybednium in the periodic table. It is placed in group-6.
what ploh does mean
A Periodic table The Periodic Table of the Elements.
Ai is not an element on the periodic table
Ni is the symbol for Nickel in the Periodic Table.
B is the symbol for boron which is an element on the periodic table
On the periodic table Ni represents the element Nickel.
Ci means chlorine in the periodic table
The periodic table consists of elements; NaCl (sodium chloride, or table salt) is a compound.
Iodine
Helium
Oxygen,
Ga stands for Gallium . It is present in group-13 of the periodic table.
HCl is a compound. It is formed by hydrogen and chlorine present in periodic table.
Er means erbium in the periodic table. It belongs to lanthanide series.