Advertisements
Advertisements
Question
Classify each of the following on the basis of their atomicity.
- F2
- NO2
- N2O
- C2H6
- P4
- H2O2
- P4O10
- O3
- HCl
- CH4
- He
- Ag
Advertisements
Solution
Monoatomic with atomicity (1) = He, Ag
Diatomic with atomicity (2) = F2 HCl
Polyatomic with atomicity > 2 :
Atomicity (3) = NO2, N2O, O3
Atomicity (5) = CH4
Atomicity (8) = C2H6
Atomicity (14) = P4O10
APPEARS IN
RELATED QUESTIONS
An element has an atomic number of 11 and its mass number is 23. What is the arrangement of electrons in the shells? State nuclear composition of an atom of the element.
If the number of electrons in an ion Z3– is 10, the atomic number of element Z will be :
The number of electrons in an ion Y2+ is 10. The atomic number of element Y is most likely to be :
What name is given to this number ?
What is the number of molecules in 1.5 moles of ammonia ?
If 32 g of sulphur has x atoms, then the number of atoms in 32 g of oxygen will be :
Which of the following has the maximum number of atoms ?
What weight of oxygen gas will contain the same number of molecules as 56 g of nitrogen gas ?
(O = 16 u ; N = 14 u)
If one gram of sulphur contains x atoms, calculate the number of atoms in one gram of oxygen element.
(Atomic masses : S = 32 u ; O = 16 u)
The mass of one atom of an element X is 2.0 × 10–23 g.
Calculate the atomic mass of element X.
What could element X be ?
Compute the difference in masses of one mole each of aluminium atoms and one mole of its ions. (Mass of an electron is 9.1×10–28 g). Which one is heavier?
A silver ornament of mass ‘m’ gram is polished with gold equivalent to 1% of the mass of silver. Compute the ratio of the number of atoms of gold and silver in the ornament.
. A sample of ethane (C2H6) gas has the same mass as 1.5 ×1020 molecules of methane (CH4). How many C2H6 molecules does the sample of gas contain?
In the atom of an element X, 6 electrons are present in the outermost shell. If it acquires noble gas configuration by accepting requisite number of electrons, then what would be the charge on the ion so formed?
Helium atom has 2 electrons in its valence shell but its valency is not 2, Explain
An element X has a mass number 4 and atomic number 2. Write the valency of this element?
