3. Which of the following elements is a good conductor of electricity but is NOT a metal?
Graphite
2. Which of the following is the only liquid metal at room temperature?
(b) Mercury.
1. Which of the following statements about metals is true?
(c) They are malleable and ductile.
6. The attraction force between positive metal ions and free-moving valence electrons is called
metallic bond.
Give Reason 9. Graphite is used in dry cells despite being a nonmetal.
Graphite is a good conductor of electricity, which makes it ideal for use in dry cells.
5. The only liquid nonmetal at room temperature is _____.
bromine
What Happens If 11. A piece of sulfur is hammered.
It will shatter or break into pieces because sulfur is brittle.
The metal ------- is used in making wires because it is ductile and a good conductor of electricity.
copper
4. Which type of bond is found in metals?
c) Metallic bond.
8. Bronze is an alloy made of ------ and ------
copper and tin.
What Is the Importance Of 13. Recycling metals.
1. Decrease in the percentage of metals in the Earth’s crust. 2. Decrease in the difficulty of extracting metals from their ores. 3. Lower cost of recycling m
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