For each property listed, identify the type of element it describes.

Very good electrical conductivity:

Amphoteric, able to form acidic OR basic compounds:

Gaseous at room temperature:

Solid at room temperature:

Brittle:

Metal

Metalloid

Nonmetal

Metal/Metalloid

Metal/Metalloid/Nonmetal

Very good electrical conductivity: Metal

Amphoteric, able to form acidic OR basic compounds: Metalloid/semimetal

Gaseous at room temperature: Nonmetal

Solid at room temperature: Metal and Metalloid/semimetal

Brittle: Nonmetal and some Metalloid/semimetal