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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Context: A student is given two elements, A and B. Element A is shiny, malleable, and conducts electricity. Element B is dull, brittle, and does not conduct electricity. Which element is likely to be a metal?
Describe how the physical state of metals and non-metals at room temperature generally differs.
Describe the difference in appearance between most metals and non-metals.
Describe the difference in the type of bonds formed by metals and non-metals.
Explain why metals are good conductors of electricity, but non-metals are not.
Explain why metals are malleable and ductile, but non-metals are not.
Context: A student is given two elements, A and B. Element A is shiny, malleable, and conducts electricity. Element B is dull, brittle, and does not conduct electricity. Which element is likely to be a metal?
Context: Two unknown elements, X and Y, are tested for their reaction with dilute hydrochloric acid. Element X produces a gas that burns with a 'pop' sound, while element Y shows no reaction. Based on this observation, identify which element is likely to be a metal and which is a non-metal. Justify your answer.
Which of the following elements is a non-metal?
(1) Iron
(2) Copper
(3) Sulphur
(4) Zinc
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 heat
(4) They have low melting points
Which of the following is a correct comparison between metals and non-metals?
(1) Metals are brittle, non-metals are malleable
(2) Metals are good conductors, non-metals are poor conductors
(3) Metals are dull, non-metals are lustrous
(4) Metals form acidic oxides, non-metals form basic oxides
Which of the following is a correct statement about the chemical reactivity of metals and non-metals?
(1) All metals are more reactive than all non-metals
(2) Metals tend to lose electrons, non-metals tend to gain electrons
(3) Non-metals form only basic oxides
(4) Metals are always less reactive than non-metals
Fill in the blank: Most metals have _______ melting and boiling points compared to non-metals.
Fill in the blank: Non-metals tend to gain electrons during chemical reactions and form _______ ions.
Fill in the blank: The ability of a material to be drawn into wires is called __________.
Fill in the blank: The property of producing a ringing sound when struck is called __________.
Is it true that non-metals can form both acidic and neutral oxides?
Is the following statement true or false? Non-metals are usually sonorous.
Is the following statement true or false? Non-metals can displace hydrogen from acids.
State whether the following is true or false: All metals are solid at room temperature.
