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PB Skills Assessment
By Patricia Bauer
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Last updated over 2 years ago
18 questions
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Question 1
1.
The basic unit for mass is
Question 2
2.
The basic unit for volume is
Question 3
3.
The basic unit for length is
Question 4
4.
kg
ns
mm
cm
dL
larger than base unit
smaller than base unit
Question 5
5.
Rewrite 3.00 x 10
17
nm/s as an equality statement. (Use ^ to show the exponent)
Question 6
6.
Rewrite 6.02 x 10
23
atoms/mole
Question 7
7.
Rewrite 6.63 x 10
–34
J/Hz as an equality statement.
Question 8
8.
Write 6.98 g/cm
3
as an equality statement.
Question 9
9.
Identify the problem in the form of
“? cm = 12.34 mm”
using the information given in each question.
Do NOT try to set up or solve the problem
.
Calculate the number of Cu atoms in 0.75 moles of Cu atoms if there are 6.02 x 10
23
Cu atoms in a mole of Cu.
Question 10
10.
How many sig figs are in 0.75 moles?
Question 11
11.
How many sig figs are in 6.02 x 10
23
Cu atoms in a mole of Cu.
Question 12
12.
Given the problem below, how many sig figs do you think should you have in your answer?
Calculate the number of Cu atoms in 0.75 moles of Cu atoms if there are 6.02 x 10
23
Cu atoms in a mole of Cu.
Question 13
13.
Identify the problem in the form of
“? cm = 12.34 mm”
using the information given in each question.
Do NOT try to set up or solve the problem
.
Given that the speed of light is 3.00 x 10
8
m/s, calculate how far (in cm) the light will travel in 20.0 s.
Question 14
14.
How many sig figs are in 3.00 x 10
8
m/s?
Question 15
15.
How many sig figs are in 20.0 s
Question 16
16.
Given the problem: ? doodles = 5.02 X 10
10
lalas
and the conversion factors:
3 doodles = 2 x 10
5
bangles
4 bangles = 7 veves
1.5 veves = 2.3 lalas
Show your set up to solve the problem.
DO NOT SOLVE THE PROBLEM
--just show your set up
visibility
View drawing
Question 17
17.
Given the set up: a. ? nm = 10
10
km x (10
3
m/1 km) x (10
9
nm /1 m)
Write the
exponent
(including + or – sign) you would have in the answer.
Question 18
18.
e set up: a. ? tiggles = 10
5
biiz x (10
–8
tiggles/10
–4
biiz)
Write the
exponent
(including + or – sign) you would have in the answer.