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प्रश्न
Indicate whether the following statement is true or false:
Ozone is a triatomic molecule
विकल्प
True
False
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उत्तर
True
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संबंधित प्रश्न
Define mixture.
Give two examples of the following.
Elements which are liquids
Answer the following question:
Give the advantages of using symbols instead of names of elements or compounds.
Indicate whether the following statement is true or false:
Molecules combine to form atoms
Tick (√) the correct alternative from the choice given for the following statement.
The compound used as common salt is
Complete the statement given below by filling in the blank with the correct word.
Element ______ has the symbol derived from its Latin name ‘Argentum’
Write the names of elements from the following symbol:
Cu
Represent with the help of a simple chart how matter is classified into pure or impure substances & further into elements, compounds & mixtures, with elements further segmented.
‘An atom is the basic unit of an element’. Draw a diagram of an atom – divisible as seen today.
Classify the following as metals, non-metals and metalloids.
Sodium, Bismuth, Silver, Nitrogen, Silicon, Carbon, Chlorine, Iron, Copper
