The Columbian forces are responsible for binding.
I. An atom to an atom to form a molecule
II. An electron to a nucleus to form an atom
III. A molecule to a molecule to form a solid or a liquid
Which combination is correct?

II and III only

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I and III only

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I and II only

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I, II and III

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Solution

The correct option is B I and III only
Columbian force is not valid in nuclear distance where nuclear force acts. In rest of the cases coulomb force acts.

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Similar questions

Why does an atom of an element combines with another atom to form a molecule

Q. Fill in the blanks in the following sentences:
(i) Two atoms of the same element combine to form a molecule. The bond between them is known as ................ bond.
(ii) Two chlorine atoms combine to form a molecule. The bond between them is known as ..........
(iii) In forming oxygen molecule, .............. electrons are shared by each atom of oxygen.
(iv) In forming N₂ molecule, .............. electrons are shared by each atom of nitrogen.
(v) The number of single covalent bonds in C₂H₂ molecule are ...........
(vi) Melting points and boiling points of ionic compounds are generally ............ than those of covalent compounds.

Fill in the blanks in the following sentences:
(i) Two atoms of the same element combine to form a molecule. The bond between them is known as .. bond.
(ii) Two chlorine atoms combine to form a molecule. The bond between them is known as....
(iii) In the formation of an oxygen molecule, ... electrons are shared by each atom of oxygen.
(iv) In the formation of a $N_{2}$ molecule, ... electrons are shared by each atom on nitrogen.
(v) The number of single covalent bonds in $C_{2} H_{2}$ molecule are....
(vi) Melting points and boiling points of ionic compounds are generally ... Than those of covalent compounds.

Q. Consider following statement:
(I) In diamond, each carbon atom is linked tetrahedrally to four other carbon atoms by

s p^{3}

bonds.
(II) Graphite has planar hexagonal layers of carbon atoms held together by weak vander walls forces.
(III) Silicon exists only in diamond structure due to its tendency to form

p π - p π

bonds to itself.

Choose the correct option.

Column-I: Property; Column-II: Variation of property; Column-III: Magnitude

$\begin{matrix} Column-I & Column-II & Column-III (I) & Electron a affinity (E A_{1}) & (i) & Decreases along the period & (P) & Highest in halogen in their respective periods (I I) & Ionization energy (I E_{1}) & (i i) & Directly proportional to Z_{e f f} & (Q) & Highest in noble gases in their respective periods (I I I) & Electronegativity & (i i i) & Decreases down the group & (R) & Highest in alkali metals in their respective periods (I V) & Electropositive character & (i v) & Inversly proportional to size & (S) & Moderate in noble gases in their respective periods \end{matrix}$

The only correct combination for the tendency of an atom to attract a shared pair of electrons towards itself in the bound state is:

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The Columbian forces are responsible for binding.I. An atom to an atom to form a moleculeII. An electron to a nucleus to form an atomIII. A molecule to a molecule to form a solid or a liquidWhich combination is correct?

The correct option is B I and III onlyColumbian force is not valid in nuclear distance where nuclear force acts. In rest of the cases coulomb force acts.

The Columbian forces are responsible for binding.
I. An atom to an atom to form a molecule
II. An electron to a nucleus to form an atom
III. A molecule to a molecule to form a solid or a liquid
Which combination is correct?

The correct option is B I and III only
Columbian force is not valid in nuclear distance where nuclear force acts. In rest of the cases coulomb force acts.