Chapter 3 Chemistry Quiz
10 Questions
| Total Attempts: 248
While studying Chemistry, the chemical compounds and elements are some of the hardest concepts to understand. However, with a lot of exercises, it can be pretty easy. The Chemical quiz below tests on different reactions.
Questions and Answers
- 1.A sample of a compound contains 3.21 g of sulfur and 11.4 g of fluorine. Which of the following represents the empirical formula of the compound?
- A.
SF subscript 2
- B.
SF subscript 3
- C.
SF subscript 4
- D.
SF subscript 5
- E.
SF subscript 6
- 2.In which of the following compounds is the mass ratio of chromium to oxygen closest to 1.62 to 1.00?
- A.
CrO3
- B.
CrO2
- C.
CrO
- D.
Cr2O
- E.
Cr2O3
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Sample QuestionWhat is the name of this chemical? NH4+
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Sample QuestionAll matter consists of particles called________________.
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Sample QuestionThe substances that enter a chemical reaction are called __________.
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