Advertisements
Advertisements
प्रश्न
What is the number of electrons donated by a magnesium atom and number of electrons accepted by a sulphur atom during their chemical combination?
Advertisements
उत्तर
Two, Two
APPEARS IN
संबंधित प्रश्न
How many atoms are present in a H2S molecule?
What does 6NaNO3 represent ?
Write the molecular formulae of Iron (II) sulphide :
Write the molecular formulae of Iron (III) sulphide:
Write the molecular formulae of Nitric acide :
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.
If 1 gram of sulphur dioxide contains x molecules, how many molecules will be present in 1 gram of oxygen ?
(S = 32 u ; O = 16 u)
Diagrammatically represent the transfer of electrons.
‘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:
The formula of aluminium sulphate is _________.
State the correct formula of the following from the option given:
Copper [II] nitrate
Name the following:
The compound formed when iron [Fe2+] combines with oxygen [O2−].
Name the following:
A non-metal which forms a polyatomic molecule with more than three atoms.
Molecule containing more than three atoms are known as ______.
Calculate the number of water molecules present in one drop of water which weighs 0.18 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 ————.
