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 is the most abundant electropositive element in The Earthâs crust. Itâs a metalloid with a marked metallic luster and very brittle. It is usually tetravalent in its compounds, although sometimes its bivalent, and itâs purely electropositive in its chemical behaviour. Moreover, pentacoordinated and hexacoordinated silicon compounds are also known.