Advertisements
Advertisements
प्रश्न
Write the molecular formulae of Calcium phosphate :
Advertisements
उत्तर
Calcium phosphate - `"Ca"_3("PO"_4)_2`
APPEARS IN
संबंधित प्रश्न
Write the molecular formulae of Hydrogen chloride :
State the term
The combining capacity of an element _______
Fill in the following blanks :
1 mole contains .............. atoms, molecules or ions of a substance.
Which contains more molecules, 10 g of sulphur dioxide (SO2) or 10 g of oxygen (O2) ?
(Atomic masses : S = 32 u ; O = 16 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?
Explain the term ‘atomicity’.
State the correct formula of the following from the option given:
Copper [II] nitrate
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 ______.
State true of false. If false, give the correct statement.
Atoms cannot exist alone. They can only exist as groups called molecules.
Calculate the number of water molecules present in one drop of water which weighs 0.18 g.
How many atoms are present in a PO4 3– ion?
How many atoms are present in a `PO_4^(3-)` ion?
What is the fraction of the mass of water due to neutrons?
Express each of the following in kilograms
5.84 × 10−3 mg
Express each of the following in kilograms
0.584 g
Express each of the following in kilograms
58.34 g
A group of atoms carrying a fixed charge on them is called ————.
