Chemistry
Match the correct answer from A, B, C, D and E – for each statement given below:
A : Boron, B : Chlorine, C : Potassium, D : Platinum, E : Radon
The element placed in the extreme left of the Modern Periodic Table.
The element which shows properties of both metals and non-metals.
The element from the halogen family which is most abundant.
The element which is noble gas and radioactive in nature.
The element which is a noble metal.
Metals & Non-Metals
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Answer
C: Potassium
A: Boron
B: Chlorine
E: Radon
D: Platinum
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Related Questions
Complete the statements given below, by filling in the blank with the correct word/s:
The ability of a metal to produce a resonant sound …………… [ductility/sonority/malleability].
A metal which floats on water …………… [zinc/potassium/magnesium].
A non-metal that leaves a mark on paper …………… [phosphorous/graphite/sulphur].
A non-metal which allows an electric current to pass through it …………… [graphite/sulphur/iodine].
A non-metal added to swimming pools to kill germs …………… [nitrogen/chlorine/oxygen].
Give reasons for the following:
Metals form cations while non-metals form anions.
Potassium reacts vigorously with cold water while copper does not react with water or steam.
Rusting reduces the structural strength of iron.
A suspension of rust is basic in nature.
Galvanized steel is not used for articles used for edible applications.
Name the following:
The most reactive halogen.
A metal used in packaging.
The chemical compound responsible for the green deposit on the surface of articles of copper.
A metal used in flexible pipes.
A halogen which is solid at room temperature.
State whether the statements given below are true or false. If false write the correct statement.
Lead pencils contain lead.
The chemical name of rust is iron [III] oxide.
Silicon is an example of a metalloid.
Either oxygen or moisture is essential for rusting.
Graphite is a lustrous non-metal which conducts electricity.