1. classify the following as either a metal, metalloid or a non - metal\n1. si\n2. na\n3. al

1. classify the following as either a metal, metalloid or a non - metal\n1. si\n2. na\n3. al

1. classify the following as either a metal, metalloid or a non - metal\n1. si\n2. na\n3. al

Answer

Brief Explanations:

Si (silicon) is a metalloid as it has properties of both metals and non - metals. He (helium) is a non - metal, a noble gas. Al (aluminium) is a metal with typical metallic properties like good electrical conductivity and malleability.

Answer:

  1. Metalloid
  2. Non - metal
  3. Metal