Problem 3
What is a catalyst?
Problem 3
If you are given a structural formula of a molecule, do you also know its molecular formula? Explain your thinking.
Problem 3
Draw the Lewis dot symbols for these elements: \(\begin{array}{llllll}{\text { Te }} & {\text { I }} & {\mathrm{K}} & {\text { Bi }} & {\text { In }} & {\mathrm{Pb}}\end{array}\) a. Arrange them in order of their group numbers on the periodic table. b. Determine how many covalent bonds each element would make.
Problem 3
List three nonmetal elements that combine with only one fluorine atom to satisfy the octet rule.
Problem 3
Explain why \(\mathrm{C}_{2} \mathrm{H}_{4}\) has fewer hydrogen atoms than \(\mathrm{C}_{2} \mathrm{H}_{6}\).
Problem 3
In class, why do you think the foul smell of butyric acid disappeared when you mixed it with methanol and heated the mixture in the Lab: Ester Synthesis?
Problem 3
Name i ve substances from home that do not i t into the smell categories of sweet, minty, or i shy. What new categories would you put them in?
Problem 4
Make a list of five things from home that have no smell.
Problem 4
Make a list of i ve things from home that have no smell.
Problem 4
Germanium, antimony, selenium, and bromine each bond to a different number of hydrogen atoms. \(\mathrm{GeH}_{4} \quad \mathrm{SbH}_{3} \quad \mathrm{H}_{2} \mathrm{Se} \quad \mathrm{HBr}\) a. Draw Lewis dot symbols for Ge, Sb, Se, and Br. b. Draw a Lewis dot structure for each molecule. c. Explain the pattern in the number of hydrogen atoms.
