Question

which ones are metals, non - metals or metalloids:

1. very good conductor of heat
2. many are gases
3. to the right of the “staircase” on the periodic table
4. dull or powdery in appearance
5. can be pounded into thin sheets (malleable)
6. conduct electricity well
7. have properties of both metals and non - metals
8. largest group; found on the left of the periodic table

Explanation:

• 21: Metals are good heat - conductors.
• 22: Non - metals include many gaseous elements.
• 23: Non - metals are to the right of the "staircase" on the periodic table.
• 24: Non - metals often have a dull or powdery appearance.
• 25: Malleability is a property of metals.
• 26: Metals are good electrical conductors.
• 27: Metalloids have properties of both metals and non - metals.
• 28: Metals are the largest group and are found on the left of the periodic table.

Answer:

1. Metals
2. Non - metals
3. Non - metals
4. Non - metals
5. Metals
6. Metals
7. Metalloids
8. Metals