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प्रश्न
Define: Elements-
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उत्तर
Elements : An element is the basic form of matter that cannot be broken down into simpler substances by chemical reactions.
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संबंधित प्रश्न
The English name of an element is potassium, its Latin name will be :
What is a symbol? What information does it convey?
Give the symbol of the following element:
Copper
Give the symbol of the following element:
Aluminium
Give the symbol of the following element:
Sulphate
Write the chemical formula of the following:
magnesium oxide
Select the correct answer to the statement given below:
An element present in the earth’s crust, atmosphere and the human body.
State the valency of the following metallic element and write symbol with the valency
Magnesium
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Mercury
write symbol with the variable valency
What does the symbol '(aq.)' present in a chemical equation, mean?
