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प्रश्न
Correct the following statement:
CO and Co both represents cobalt.
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उत्तर
CO is a Carbon monoxide and Co is an element named Cobalt.
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संबंधित प्रश्न
Name a soft metal.
Give one example for the following type of mixtures
solid-solid homogenous mixture.
Write true or false
A heterogeneous mixture has a uniform composition throughout the mixture
Give one example for the following types of mixtures:
liquid-gas homogenous mixture
Answer the following question:
Give the advantages of using symbols instead of names of elements or compounds.
Fill in the blank
_________ refers to the number of atoms in the molecule of an element
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A metal which is a liquid at room temperature is _______.
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A metal which is a poor conductor of electricity is _______.
Tick (√) the correct alternative from the choice given for the following statement.
Atoms of different kinds combine to form molecules of
Tick (√) the correct alternative from the choice given for the following statement.
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Tick (√) the correct alternative from the choice given for the following statement.
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Tick (√) the correct alternative from the choice given for the following statement
A non-metal which is a good conductor of electricity.
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elements, compounds & mixtures.
Give the name of the radical - CO3
Explain the term ‘mixture’.
Non-metal conducting electricity :______ :: Metal conducting electricity : Copper
Give an example for the elements derived from their Latin names.
Higher Order Thinking Skills.
In the diagram given below, the circle, square and triangle represent the atoms of different elements.
Identify all combinations that represent
- molecule of a compound
- molecule of an element consisting of two atoms
- molecule of an element consisting of three atoms
Name the two elements which are derived from the country.
Elements contain the ______of the same kind.
