(a) Interpretation: The Lewis structure of the given element is to be drawn. Concept introduction: Lewis structure is a representation of a chemical formula of a substance with valance electrons of an atom. The Lewis structures are also called electron dot structures. In the Lewis structure, electrons are denoted by dots. Only the valence electrons are presented as dots in the Lewisstructure.

Question

Lab Data The distance entered is out of the expected range. Check your calculations and conversion factors. Verify your distance. Will the gas cloud be closer to the cotton ball with HCI or NH3? Did you report your data to the correct number of significant figures? - X Experimental Set-up HCI-NH3 NH3-HCI Longer Tube Time elapsed (min) 5 (exact) 5 (exact) Distance between cotton balls (cm) 24.30 24.40 Distance to cloud (cm) 9.70 14.16 Distance traveled by HCI (cm) 9.70 9.80 Distance traveled by NH3 (cm) 14.60 14.50 Diffusion rate of HCI (cm/hr) 116 118 Diffusion rate of NH3 (cm/hr) 175.2 175.2 How to measure distance and calculate rate

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Question

Chapter 4, Problem 4.7E

Interpretation Introduction

(a)

Interpretation:

The Lewis structure of the given element is to be drawn.

Concept introduction:

Lewis structure is a representation of a chemical formula of a substance with valance electrons of an atom. The Lewis structures are also called electron dot structures. In the Lewis structure, electrons are denoted by dots. Only the valence electrons are presented as dots in the Lewisstructure.

Interpretation Introduction

(b)

Interpretation:

The Lewis structure of the given element is to be drawn.

Concept introduction:

Lewis structure is a representation of a chemical formula of a substance with valance electrons of an atom. The Lewis structures are also called electron dot structures. In the Lewis structure, electrons are denoted by dots. Only the valence electrons are presented as dots in the Lewisstructure.

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