Some examples are compounds of iodine, samarium, radium, strontium.
Ammonia is not on the periodic table. It is a compound, not an element.
Berkelium is on the periodic table. If it's on the periodic table, it's an element.
It is an element. If it is not in the periodic table it is not an element.
It is an element because it is in the periodic table.
an element..its on the Periodic Table.
H2O2 is not a Periodic Table element. It is a compound, specifically hydrogen peroxide.
Boron is element #5 in the periodic table.
Copper is on the Periodic Table, anything on the periodic table is an element so copper wire is made from an element.
cooper is an element as showen in the Periodic Table :D
*Mercury and it is an element as it appears in the periodic table
Sodium carbonate is a compound and not an element because it is not on the periodic table.
Ammonia is not on the periodic table since it is a compound, not an element. NH3