Question

Which of the elements are metals, which are non-metals and which are metalloids?​

Answer 1

A metal element is an element that form positive ions and has metallic bonds. Most elements on the periodic table are metals. Examples of metal elements include iron, copper, silver, mercury, lead, aluminum, gold, platinum, zinc, nickel and tin.

Hydrogen, helium, carbon, nitrogen, oxygen, fluorine, neon, phosphorus, sulfur, chlorine, argon, selenium, bromine, krypton, iodine, xenon, and radon are non metals.

Elements which show some properties of metals and some other properties of nonmetals are called metalloids. Metalloids look like metals but they are brittle like non metals. ... They are also called as semi metals. Some important examples of metalloids are as follows : Boron(B), Silicon(Si) and Germanium(Ge).