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प्रश्न
Diagrammatically represent the transfer of electrons.
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उत्तर
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संबंधित प्रश्न
Write the molecular formulae of Iron (II) sulphide :
Write the molecular formulae of Iron (III) sulphide:
Write the molecular formulae of Nitric acide :
The valency of sodium is one, write the molecular formula for sodium sulphate ?
Fill in the blank
_______ is a triatomic molecule.
State the term
A group of atoms that react as a single unit ______.
If one mole of nitrogen molecules weighs 28 g, calculate the mass of one molecule of nitrogen in grams.
Calculate the number of molecules present in a drop of chloroform (CHCl3) weighing 0.0239 g.
(Atomic masses : C = 12 u ; H = 1 u ; Cl = 35.5 u)
What is the number of electrons donated by a magnesium atom and number of electrons accepted by a sulphur atom during their chemical combination?
‘Atoms of the same element or different from Dalton’s atomic theory by the Modern Atomic Theory.
Give two examples each of –
- Atoms of the same element
- Atoms of different elements combining to form a molecule.
Fill in the blank:
A molecule of an element is _________.
State the correct formula of the following from the option given:
Calcium hydroxide
Name the following:
A molecule of a compound containing two oxygen atoms and one nitrogen atom.
Name the following:
A non-metal which forms a polyatomic molecule with more than three atoms.
What is the fraction of the mass of water due to neutrons?
Express each of the following in kilograms
0.584 g
Express each of the following in kilograms
5.873×10−21g
Compute the number of ions present in 5.85 g of sodium chloride
A group of atoms carrying a fixed charge on them is called ————.
______ can be formed by the same or different kinds of atoms.
