Physical and Chemical Differences Between Metals and Non-metals
Chemistry ⇒ Metals and Non-metals
Physical and Chemical Differences Between Metals and Non-metals starts at 6 and continues till grade 12.
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See sample questions for grade 7
Context: A student is given two elements. One is shiny, can be drawn into wires, and conducts electricity. The other is dull, brittle, and does not conduct electricity. Which one is likely a metal?
Describe one difference between the appearance of metals and non-metals.
Describe the difference in the way metals and non-metals react with oxygen.
Explain why metals are used for making electrical wires.
Explain why non-metals are not used for making wires.
Context: A student is given two elements. One is shiny, can be drawn into wires, and conducts electricity. The other is dull, brittle, and does not conduct electricity. Which one is likely a metal?
Context: A laboratory experiment involves heating a strip of magnesium (a metal) and a piece of sulfur (a non-metal) in separate test tubes. After heating, magnesium forms a white powder, while sulfur forms a gas with a strong odor. Explain the difference in the type of oxides formed by metals and non-metals in this experiment.
Context: A student is given two unknown elements. Element X is hard, shiny, and makes a ringing sound when struck. Element Y is soft, dull, and breaks easily when bent. The student is asked to identify which element is more likely to form positive ions in chemical reactions. Which element should the student choose and why?
Which of the following is a chemical property of metals?
(1) They form acidic oxides
(2) They gain electrons
(3) They form basic oxides
(4) They are non-sonorous
Which of the following is a chemical property of non-metals?
(1) They form basic oxides
(2) They are malleable
(3) They form acidic oxides
(4) They are ductile
Which of the following is a chemical property of non-metals?
(1) They form basic oxides
(2) They form acidic oxides
(3) They are malleable
(4) They are ductile
Which of the following is a correct pair?
(1) Metal - Brittle
(2) Non-metal - Ductile
(3) Metal - Sonorous
(4) Non-metal - Lustrous
Fill in the blank: Metals are _______ (malleable/brittle), while non-metals are _______ (malleable/brittle).
Fill in the blank: Metals are usually _______ at room temperature, except for mercury.
Fill in the blank: Non-metals are generally _______ (good/poor) conductors of electricity.
Fill in the blank: Non-metals are generally _______ (sonorous/non-sonorous).
True or False: All metals are solid at room temperature.
True or False: All non-metals are gases at room temperature.
True or False: Metals are generally ductile, while non-metals are not.
True or False: Metals are generally sonorous, while non-metals are not.
