To predict the abundance of aluminium in earth’s crust. Concept introduction: Earth’s crust is the outermost solid shell of planet earth. Almost 99 percent of earth’s crust is made up of just 10 elements. These 10 elements are oxygen, silicon, aluminium, iron, calcium, sodium, magnesium, potassium, titanium, and hydrogen. Most of the elements in earth’s crust are found in the form of rocks and minerals.

Question

Draw a Lewis structure for each of the following molecules and assign charges where appropriate. The order in which the atoms are connected is given in parentheses. a. CIFCIF b. BrCNBrCN 0 c. SOCI2 × (CISCIO) SOC₁₂ (CISCI) You can draw both an octet and a valence shell expanded structure. Considering the following structural information, which is the better one: The measured S-OS-O bond length in SOC12SOCl2 is 1.43 Å. For comparison, that in SO2SO2 is 1.43 Å [Exercise 1-9, part (b)], that in CHзSOHCH3 SOH d. CH3NH2CH3NH2 (methanesulfenic acid) is 1.66 A. e. CH3OCH3 CH3 OCH3 NH2 f. N2H2× (HNNH) N2 H2 (HNNH) g. CH2COCH₂ CO h. HN3× (HNNN) HN3 (HNNN) i. N20 × (NNO) N2O (NNO)

Answer 1

Question

Chapter 21, Problem 41PS

Interpretation Introduction

Interpretation: To predict the abundance of aluminium in earth’s crust.

Concept introduction:

Earth’s crust is the outermost solid shell of planet earth. Almost 99 percent of earth’s crust is made up of just 10 elements. These 10 elements are oxygen, silicon, aluminium, iron, calcium, sodium, magnesium, potassium, titanium, and hydrogen.

Most of the elements in earth’s crust are found in the form of rocks and minerals.

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