chem101 intro and atomic structure
Authored by NE Dunn
Chemistry
University
NGSS covered
Used 2+ times
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23 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What best defines an atom?
the smallest particle that has a unique identity
particles bonded together through electron transfer
a cluster of particles with a net charge
particles bonded together through electron sharing
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Look at the 'data points' on the target. Assume the goal is to hit the center of the bull's eye, the data points has high____
hypothesis
precision
accuracy
rigor
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When sodium chloride reactions with silver, sodium nitrate and silver chloride are produced.
11.7g of sodium chloride and 34.0g of silver are reacted, producing 28.7g of silver chloride is produced. How many grams of sodium nitrate is produced?
17.0g
51.0g
1.5g
Tags
NGSS.HS-PS1-7
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
How many significant figures are in 0.042g?
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
How many significant figures are in 50.0?
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Write the answer of following calculation to the correct number of significant figures:
6.99 - 5.772 = 1.218
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Write the answer of following calculation to the correct number of significant figures:
67.8 * 9.8 = 664.44
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