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प्रश्न
Fill in the blank
The most abundant element in the earth’s crust is _______.
उत्तर
The most abundant element in the earth’s crust is oxygen.
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संबंधित प्रश्न
Define: Elements
Name: a Non-metal Which is a Good Conductor of Electricity.
Give two examples of Metals.
Name: Three different forms of carbon
Indicate whether the following statement is true or false:
Metals can be polished.
Complete the statement with the correct words.
Acid’s are chemicals which are _____ in taste and derived from plants and ________.
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.
Give an example of two liquids that form heterogeneous – mixtures.
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
An element is sonorous and highly ductile. Under which category would you classify this element? What other characteristics do you expect the element to possess?
