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प्रश्न
Tick (√) the correct alternative from the choice given for the following statement.
Atoms of different kinds combine to form molecules of
विकल्प
an element
a compound
a mixture
all of the above
उत्तर
a compound
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संबंधित प्रश्न
Give one example for the following type of mixtures
solid-solid homogenous mixture.
Name: a Metal Which is a Poor Conductor of Electricity.
Give reason: A frying pan is made up of steel but its handle is made up of wood.
Answer the following question:
What do you understand by the statement: ‘metals are ductile and malleable’?
Find the atomicity of the Following molecule:
Aluminium Suiphide
Tick (√) the correct alternative from the choice given for the following statement.
Sulphur and carbon are
Tick (√) the correct alternative from the choice given for the following statement
A non-metal which is a good conductor of electricity.
Complete the statement given below by filling in the blanks with the correct words.
Atom contains ________ , with positively charged _____.
‘The modern periodic table consists of elements arranged according to their increasing atomic numbers’. With reference to elements with atomic numbers 1 to 20 only in the periodic table – differentiate them into – metallic elements, metalloids, non-metals & noble gases.
______ is the life-giving element is the air.
