Chapter 19
Double bonds? A. 1 B. 2 C. 3 D. 4 E. 5 F. 6 G. 0
Correct. Your answer: A. 1
Which of the following is atomic matter rather than molecular or network matter? Select one: A. Neon gas B. water C. magnesium chloride D. silver E. white gold
Correct. Your answer: A. Neon gas
Can sulfur be considered a compound and why? A. No, it is composed of only one type of atom B. Yes, it is composed of only one type of atom C. No, it is composed of more than one type of atom D. Yes, it is composed of more than one type of atom
Correct. Your answer: A. No, it is composed of only one type of atom
Each molecule of nitric acid has the formula HNO33. If there are 6000 oxygen atoms present and 6000 nitrogen atoms present, how many hydrogen atoms will be required to convert all of the oxygen atoms into nitric acid? Select one: A. 1000 B. 2000 C. 4000 D. 6000 E. 18000
Correct. Your answer: B. 2000
Magnesium chloride forms a solid in which two chloride ions are found for every magnesium ion but no discrete molecules are observed in the solid. What is the simplest formula for this compound? A. 𝑀𝑔2𝐶𝑙 B. 𝑀𝑔𝐶𝑙2 C. 2𝑀𝑔𝐶𝑙
Correct. Your answer: B. 𝑀𝑔𝐶𝑙2
Each molecule of methane has the formula 𝐶𝐻4. If there are 4000 carbon atoms present how many hydrogen atoms will be required to convert all of the carbon atoms into methane? A. 400 B. 4000 C. 16000 D. 1600
Correct. Your answer: C. 16000
When you look at a mass spectrum for butanal (or butyraldehyde), the next member of the aldehyde family after propanal, what is the largest mass that will have a peak on the graph? (Hint: you must determine its chemical formula.) A. 70 B. 71 C. 72 D. 73
Correct. Your answer: C. 72
What is the chemical formula for acetaldehyde? A. C44H88O22 B. C33H44O C. C22H44O D. C22H33O
Correct. Your answer: C. C22H44O
What classification of matter is magnesium chloride? A. Atomic matter B. Molecular matter C. Network matter
Correct. Your answer: C. Network matter
Which of the following tends to have the highest melting and boiling points? Select one: A. Atomic matter B. molecular matter C. network matter
Correct. Your answer: C. network matter
What is the chemical formula for sulfur? A. S B. 𝑆2 C. 𝑆8 D. 𝑆𝑂2
Correct. Your answer: C. 𝑆8
How many bonds does each carbon have in propanal? A. 1 B. 2 C. 3 D. 4 E. 5 F. 6 G. 0
Correct. Your answer: D. 4
Draw a ball and stick diagram for the next family member after propanal. What is its chemical formula? A. C22H44O22 B. C33H66O C. C44H66O D. C44H88O E. C33ClH66O
Correct. Your answer: D. C44H88O
Which of the following is not a compound? A. sulfur dioxide B. nitrous oxide C. water molecule D. oxygen molecule E. rust
Correct. Your answer: D. oxygen molecule
In acetaldehyde, how many single bonds are there? A. 1 B. 2 C. 3 D. 4 E. 5 F. 6 G. 0
Correct. Your answer: E. 5
Triple bonds? A. 1 B. 2 C. 3 D. 4 E. 5 F. 6 G. 0
Correct. Your answer: G. 0
