Question

Classify the following elements into metals, non-metals and metalloids:

Copper, Sulphur, Aluminium, Oxygen, Silicon, Nitrogen, Germanium, Mercury, Chlorine, Sodium
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Answer 1

Answer:

copper- metals

sulpur- non metals

aluminum-metals

oxygen - non metal

silicon- metalliod

Nitrogen-non metal

germanium - metalliod

mercury- metalliod

chlorine-non metal

sodium- metal

Answer 2

Metals- copper, aluminium, Mercury and sodium.

Non-metals- sulfur, oxygen, nitrogen, chlorine.

Metalloids- silicon and germanium.

• The elements which lose electrons to form a cation are called metals.
• The metals are copper, aluminium, Mercury and sodium.
• The elements which gain electrons to form anions are called non-metals.
• The non-metals are sulfur, oxygen, nitrogen, and chlorine.
• Metalloids contain both the properties of metal and non-metal.
• Silicon and Ge are the metalloids.