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प्रश्न
Write down the name of a compound represented by the following formula:
CaCl2
उत्तर
Calcium chloride
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संबंधित प्रश्न
Give the name of the element present in the following compound:
Baking powder
Give the name of the element present in the following compound:
Potassium sulphate
In what form does oxygen gas occur in nature ?
An element X forms the following compounds with hydrogen, carbon and oxygen :
H2X, CX2, XO2, XO3
State the three valencies of element X which are illustrated by these compounds.
Give one example of a triatomic molecule
State the main points of the contradiction of Dalton’s atomic theory by the Modern Atomic Theory.
Give a reason why –
Ozone is considered triatomic, but phosphorus a tetratomic molecule.
State the atomicity of the following:
Neon
Which of the following is a short and scientific way of representing one molecule of an element or compound?
Derive the relationship between Relative molecular mass and Vapour density.
