zinc (It's bluish-white.)
In period three, all elements but the four on the right are metallic.
Ores
The only four-letter metals are zinc, iron, lead and gold. Of these, zinc is probably your answer even though its tint is more silvery-white.
Dash...four letter word Dot...three letter word
Bleu. It is french for "Blue".
There are a few 4 and 5 letter words that you can make out of the word metallic. Some of those words are metal, lilac, lite, meal, and allic. Some 3 letter words made out of the word metallic are met, tall, and all.
blue
Blue
down blue
grey blue pink
Anil it is the indigo plant or the blue dye obtained from it
ununquadium - a radioactive transuranic element