Week 2 Chemistry Quiz
13 Questions
| Attempts: 70
Questions and Answers
- 1.Define 'matter' in your own words
- 2.For the following scenario, write the safety or classroom rule violation(s) that occured: Diana and Mike were going to be late to their next class. After rushing to put away a few materials, they left the rest of the materials on the lab table.
- 3.For the following scenario, write the safety or classroom rule violation(s) that occurred: The teacher was not in the room yet. Jake began weighing chemicals, touching them with his hands. His nose itched so he rubbed it.
- 4.How many protons are in Cobalt?
- 5.How many neutrons are in silver?
- 6.How many electrons are in iron?
- 7.You need to keep the temperature of a hot water bath at 21.6oC. Would it be better to use a thermometer with a line for every 0.5oC or every 0.1oC? Please explain your answer in complete sentences.
- 8.You use a ruler to measure an object that is 23.4 cm. A. What is the highest value the actual length could be? B. A. What is the lowest value the actual length could be?
- 9.What is the charge of a proton?
- A.
Negative
- B.
Neutral
- C.
Positive
- D.
None of the above
- 10.What is the charge of a neutron?
- A.
Negative
- B.
Neutral
- C.
Positive
- D.
None of the above
- 11.What is the charge of an electron?
- A.
Negative
- B.
Neutral
- C.
Positive
- D.
None of the above
- 12.The atomic number tells you how many _____________________ are in an element
- 13.Which value, 12.0cm or 12.00 cm would be closer to the actual length of the object?
- A.
12.0
- B.
12.00
- C.
Option 3
- D.
Option 4
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