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.
Silicon (Si) is the second most abundant element by weight on Earth, second only to oxygen. It has fourteen protons in the nucleus, giving it an atomic number of fourteen.Interesting Silicon Facts: Jacob Berzelius is typically credited with discovering silicon in 1824.ilicon (Si) is the second most abundant element by weight on Earth, second only to oxygen. It has fourteen protons in the nucleus, giving it an atomic number of fourteen.