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प्रश्न
Define: Elements
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उत्तर
Element is a substance which cannot be broken further into simpler substances and has a definite set of properties. Elements are made up of only one kind of atoms.
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संबंधित प्रश्न
Define: Formula
Name: A form of carbon used as a gem
Fill in the blank
_________ refers to the number of atoms in the molecule of an element
Tick (√) the correct alternative from the choice given for the following statement.
Sugar is a compound which consists of the elements
Give the name of the radical - CO3
Complete the statement given below by filling in the blanks with the correct words.
From the elements – He, Br, Pt, and O; the element which is metallic is ____, an inert element is ____, forms a triatomic molecule is ____, is liquid at room temperature is_ ___.
‘An atom is the basic unit of an element’. Draw a diagram of an atom – divisible as seen today.
There are ______ number of known elements.
Elements are the______ form of pure substances.
Name the constituents of water.
