Advertisements
Advertisements
Question
State the term
A group of atoms that react as a single unit ______.
Advertisements
Solution
A group of atoms that react as a single unit radical.
APPEARS IN
RELATED QUESTIONS
Write the molecular formulae of Sodiun sulphide:
Write the molecular formulae of Magenesium oxide :
Write the molecular formulae of Iron (II) sulphide :
In hydrogen peroxide (H2O2), the proportion of hydrogen and oxygen by mass is :
Write the cations and anions present, if any, in the following :
- CH3COONa
- NaCl
- H2
- NH4NO3
Which contains more molecules, 10 g of sulphur dioxide (SO2) or 10 g of oxygen (O2) ?
(Atomic masses : S = 32 u ; O = 16 u)
Diagrammatically represent the transfer of electrons.
Write the molecular formulae of Magnesium nitride:
‘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.
Explain the term ‘atomicity’.
‘Dilute hydrochloric acid is added to sodium hydroxide’. Give a word equation and a molecular equation of the same. Is the equation written, a balanced equation. Give reasons.
Fill in the blank:
The formula of aluminium sulphate is _________.
State the correct formula of the following from the option given:
Calcium hydroxide
State the correct formula of the following from the option given:
Sodium bisulphite
State the correct formula of the following from the option given:
Ammonium sulphate
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?
A molecule containing three atoms is called a ______ molecule.
______ of an element consist of a fixed number of different types of atom.
