WorksheetsChem 1 Unit 1 Test review
Total questions: 14
Worksheet time: 7mins
Vertical columns on the periodic table are called
rows
periods
groups
nonmetals
Which of the following is a physical change?
burning
grinding
rusting
decomposing
A mixture that has the same proportions of components throughout is
heterogenous
homogenous
a solution
not able to be separated
When recording a measurement, how many digits should you use?
Record to the smallest marking
Record to one digit after the smallest marking
Record to two digits after the smallest marking
Record to the second smallest marking
Elements that are brittle and poor conductors are
metals
metalloids
nonmetals
alkaline
Group 17 on the periodic table is called the
halogens
noble gases
alkali metals
transitional metals
When multiplying or dividing, the answer must have
the same number of sig figs as the number in the calculation with the most sig figs
the same number of sig figs as the number in the calculation with the fewest sig figs
the same digits after the decimal as the number with the fewest after the decimal
the same digits after the decimal as the number with the most after the decimal.
Which of the following is an intensive property of matter?
volume
mass
energy content
density
Measurements that agree closely but differ from the true value are
both accurate and precise
neither accurate or precise
precise but not accurate
accurate but not precise
How many sig figs does 0.00300500 have?
9
2
6
8
Precision is related to all of these except
number of significant figures
range of measurement values
closeness of a measurement to the accepted value
reproducibility of measurements
The unit cm3 is used to express
length
volume
time
mass
Which of the following is not correct?
1 mL = 1 cm3
1 L = 1000 cm3
1 m2 = 1000 cm2
1 m3 = 1 x 106 cm3
Which of the following is an extensive property?
mass
color
density
boiling point
