Chapter U2.4, Problem 5E

(a)

Interpretation Introduction

Interpretation:

The Lewis dot structure for TeCl₂ must be drawn.

Concept Introduction :

Lewis dot structure is the representation of a molecule using valence electrons shown as dots.

Te is a p block element of group 16 with 6 valence electrons.

Answer to Problem 5E

Lewis dot structure for TeCl₂ is given below.

  

.

Explanation of Solution

In TeCl₂, Te is the central atom which is bonded to two Cl atoms. There are three lone pairs of electrons on each Cl atom and two lone pair of electrons on Te atom.

Thus, the Lewis dot structure is as follows:

  

(b)

Interpretation Introduction

Interpretation:

The Lewis dot structure for HI must be drawn.

Concept Introduction :

Lewis dot structure is the representation of a molecule using valence electrons shown as dots.

I is a p block element of group 17 with 7 valence electrons.

Answer to Problem 5E

Lewis dot structure for HI is given below.

  

.

Explanation of Solution

In HI, I is bonded to one H atom. There are three lone pairs of electrons on I atom and hydrogen has zero lone pairs.

The structure is represented as follows:

  

(c)

Interpretation Introduction

Interpretation:

Lewis dot structures for AsBr₃ must be drawn.

Concept Introduction :

Lewis dot structure is the representation of a molecule using valence electrons shown as dots.

As is a p block element of group 15 with 5 valence electrons.

Answer to Problem 5E

Lewis dot structure for AsBr₃ is given below.

  

.

Explanation of Solution

In AsBr₃, As is the central atom which is bonded to three Br atoms. There are one lone pair of electrons on As atom and three lone pairs of electrons on Br atom.

The structure is represented as follows:

  

(d)

Interpretation Introduction

Interpretation:

Lewis dot structures for SiF₄ must be drawn.

Concept Introduction :

Lewis dot structure is the representation of a molecule using valence electrons shown as dots.

Si is a p block element of group 14 with 4 valence electrons.

Answer to Problem 5E

Lewis dot structure for SiF₄ is given below.

  

.

Explanation of Solution

In SiF₄, Si is the central atom which is bonded to four F atoms. There are three lone pairs of electrons on F atom.

Structure is represented as follows:

  

(e)

Interpretation Introduction

Interpretation:

Lewis dot structures for F₂ must be drawn.

Concept Introduction :

Lewis dot structure is the representation of a molecule using valence electrons shown as dots.

F is a p block element of group 17 with 7 valence electrons.

Answer to Problem 5E

Lewis dot structure for F₂ is given below.

  

.

Explanation of Solution

In F₂, both the F atoms are bonded to each other with a single bond. There are three lone pairs of electrons on each F atom.

The structure is represented as follows: