copper
copper
copper
Scandium (Sc), named after the Scandinavian Peninsula.
copper. people seem to have the exact same homework as me... how weird! hahaha I have that same home work too that's very weird what teacher do you have
copper
copper
copper
copper & iron
copper
A stable element is any non-radioactive element. All elements before element atomic number 84 (not including 84) - Polonium (Po) are stable elements.
Copper is in fact an element. It is the number 29th element located upon the Periodic Table. Copper is used in a variety of applications including electrical wiring, and gun construction.
The 19th element is potassium, which has the atomic symbol K. It has 19 electrons, including one valence electron that can be easily lost.