If you look at the stem of an artichoke you will see a ring, with tough green bark (for want of a better term) surrounding a paler green heart.The bark is not good to eat, and you should remove it with a paring knife, leaving the heart of the stem, which is good to eat.ere we were going to need sliced artichokes, and trimmed the stem of the artichoke leaving about an inch (2.5 cm) below the petals.
Si is the short form for Silicon and silicon is not a metal. Si is the short form for Silicon and silicon is not a metal.
The atomic number of silicon (Si) is 14. The atomic weight of Si is 28.0855 grams per mole. See the Web Links and the Related Questions to the below this answer for a periodic table and more information about this element. 2 people found this useful.