That would be boron.
Nitrogen is not a semimetal.
semimetal
Boron is the only mettaloid in Group 13
No, K, or potassium, is not considered a semimetal. It is considered part of the metal group in the periodic table.
A semimetal has the properties of both a metal and a nonmetal. They are also called metalloids.
No it is a metal. Not a semimetal. A semimeatal is in between metal and nonmetal.
No, it is a nonmetal.
sodium is a metal; silicon is a semimetal (metalloid); helium and sulfur are non metals
semimetal
semimetal
Silicon
Tellurium is a semimetal. Some people consider it a metalloid, but it's not that. The only metalloids I know of are Arsenic and Antimony.