chem101 intro and atomic structure

chem101 intro and atomic structure

University

23 Qs

quiz-placeholder

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chem101 intro and atomic structure

chem101 intro and atomic structure

Assessment

Quiz

Chemistry

University

Practice Problem

Medium

NGSS
HS-PS1-1, HS-PS1-8, HS-PS1-7

+2

Standards-aligned

Created by

NE Dunn

Used 2+ times

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23 questions

Show all answers

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

Media Image

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?

28.7g

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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