Question

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

Answer 1

Answer: Jalen is wrong sorry to say but the answer is, 1. metals only 2. metalloids only 3. nonmetals only 4. metals and metalloids 5. metalloids and non-metals.

Explanation:

Aced it.

Answer 2

Answer:

1.Very good electrical conductivity : Metals (Decreacing order of conductivity)

• Silver > Copper > Gold > aluminium

2. Amphoteric : Metal elements

• Beryllium , Aluminium , Zinc ,

3.Gaseous at room temperature: mostly Nobel gases elements and some non - metal elements.

• Helium ,neon , argon , krypton , fluorine , Oxygen , nitrogen

4.Solid at room temperature: Mostly Metals (few non-metals, metalloid elements)

• Metals (Sodium  , potassium , calcium , gold are solid)

Non- metals(Carbon ,Boron )

Metalloids(antimony)

5. Brittle : non - metals (can't be rolled into wires)

Hydrogen , carbon , sulfur , phosphorus

Explanation: