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प्रश्न
Write the names of elements from the following symbol:
Si
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उत्तर
Si- Silicon
संबंधित प्रश्न
Fill in the blank
Use of a ................. to separate the components of a mixture of solids is based on the difference in the size of the components
Give two examples of Noble gases.
Tick (√) the correct alternative from the choice given for the following statement.
The compound used as common salt is
Tick (√) the correct alternative from the choice given for the following statement
The most ductile metal.
Differentiate between the terms –
elements, compounds & mixtures.
The important physical properties of substances are colour, odour, nature, density & solubility in water.
Name - a poisonous gas almost as heavy as air.
Complete the statement – an element is a pure substance made up of ____________ atoms.
Select the correct answer from the choice given below.
The type of molecule- bromine
Select the correct answer from the choice given below.
The negatively charged particles in an atom
Elements are made up of______ kinds of atoms.
