He is the chemical symbol for Helium (note the lower case "e")!
The element HE stands Helium.
Helium, atomic number of 2, mass of 4g/mol
HE symbol is used for Helium element.It has atomic number 2.It is the first noble gas of group 18.
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.
The periodic table consists of elements; NaCl (sodium chloride, or table salt) is a compound.
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.