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 9
Describe the difference in the density of metals and non-metals.
Describe the difference in the formation of ions by metals and non-metals.
Describe the difference in the physical state of metals and non-metals at room temperature.
Describe the difference in the reaction of metals and non-metals with acids.
Explain why metals are good conductors of electricity.
Explain why metals are malleable and ductile, but non-metals are not.
A sample of an unknown element is found to be a poor conductor of heat and electricity, is brittle, and forms acidic oxides. Based on these properties, classify the element as a metal or non-metal and justify your answer.
A student is given two elements: one is shiny, malleable, and reacts with hydrochloric acid to produce hydrogen gas; the other is brittle, dull, and does not react with hydrochloric acid. Identify which is a metal and which is a non-metal, and justify your answer based on their physical and chemical properties.
Which of the following elements is a non-metal?
(1) Iron
(2) Sulphur
(3) Copper
(4) Silver
Which of the following is a chemical property of metals?
(1) They react with oxygen to form basic oxides
(2) They are brittle
(3) They are poor conductors of electricity
(4) They are non-sonorous
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 statement about the appearance of metals and non-metals?
(1) Metals are always dull
(2) Non-metals are always lustrous
(3) Metals are generally lustrous
(4) Non-metals are always malleable
Fill in the blank: Metals are generally __________ in nature, while non-metals are not.
Fill in the blank: Most metals have a __________ appearance, while most non-metals are dull.
Fill in the blank: Non-metals are generally __________ in appearance.
Fill in the blank: Non-metals tend to form __________ oxides when they react with oxygen.
State whether the following is true or false: All non-metals are gases at room temperature.
State whether the following is true or false: Metals are generally hard, while non-metals are soft (except diamond).
State whether the following is true or false: Metals can form both basic and amphoteric oxides.
State whether the following is true or false: Metals generally have high melting and boiling points.
