Question

5. Write the atomicity of the following:

(a) F2
(b) NO2
(c) CO 2/3 -
(d) C2H6
(e) CO
(f) H2O2
(g) P4O10
(i) HCL
(j) CH4
(h) O3
(k) He

Answer 1

Answer:

There is a simple way to determine the atomicity of any element. It can be determined as a ratio of molecular mass and atomic mass. For example, using the case of oxygen molecule, the molecular mass is 32 (= 2x16), while the atomic mass is 16. If we divide the two, we get atomicity as 2 (=32/16).

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Answer 2

Answer:

(a) Diatomic

(b) Triatomic

(c) Triatomic

(d) Polyatomic

(e) Diatomic

(f) Polyatomic

(g) Polyatomic

(i) Diatomic

(j) Polyatomic

(h) Triatomic

(k) Monoatomic

Explanation:

Atomicity can be defined as the total number of atoms that composes a molecule. Simply put, it is the no of atoms present in a molecule.

• Monatomic is a combination of two words “mono” and “atomic” means a single atom. The noble gases are monatomic gases as they are unreactive in nature which is a property of these gases.
• Monatomic is a combination of two words “mono” and “atomic” means a single atom. The noble gases are monatomic gases as they are unreactive in nature which is a property of these gases.Diatomic molecules are those molecules that are composed of only two atoms.
• Monatomic is a combination of two words “mono” and “atomic” means a single atom. The noble gases are monatomic gases as they are unreactive in nature which is a property of these gases.Diatomic molecules are those molecules that are composed of only two atoms.Triatomic molecules are those molecules that are composed of three atoms.
• Monatomic is a combination of two words “mono” and “atomic” means a single atom. The noble gases are monatomic gases as they are unreactive in nature which is a property of these gases.Diatomic molecules are those molecules that are composed of only two atoms.Triatomic molecules are those molecules that are composed of three atoms.A polyatomic ion is also known as a molecular ion that is composed of two or more covalently bonded atoms. It is also referred to as a radical.