Significant Figures – Chemistry Quiz
The key terms of Chemistry Quiz include, Significant, Figures, Conversion, Factors, Mass, Compound.
Matter is defined as:
Anything that occupies space and has mass. – correct
Anything that has mass.
Anything that occupies space.
Some things that occupy space and have mass.
None are correct.
Gasses and liquids are compressible
True
False – correct
Pure substances can be: Elements, Compounds and Heterogenous.
True
False – correct
A chemical change takes place when covalent bonds are broken and new covalent bonds are made.
True – correct
False
What type of compound has hydro as a prefix?
An Oxyacid
A Molecular Compound
An Ionic Compound
What type of compound is P2O5?
An Oxyacid
An Ionic Compound
A Binary Acid
A Molecular Compound – correct
How many Nitrates are present in the compound Al(NO3)3
3 – correct
1
4
2
What is the name of CuSO4?
Copper (I) Sulfate
Coper (II) Sulfite
Copper (II) Sulfate – correct
Cadmium (I) Sulfite
What is the name of MgF2
Magnesium (II) Fluoride
Difluoride Magnesium
Magnesium Fluoride – correct
Manganese Fluoride
How many significant figures are contained in the following number:
0.10300
2
5 – correct
None are correct
3
How many significant figures are contained in the following number:
5.032
1
Cannot be determined
4 – correct
3
Which is the correct way to write the following number in scientific notation?
90005.3427
9.00 x 104
None are correct
9.00053427 x 10-4
9.00053427 x 104 – correct
0.900053427 x 105
If someone is trying to convert 6.8 centimeters to nanometers what is the correct way to set this problem up?
6.8cm x (1cm/10-2m) x (1nm/10-9m) =
None are correct
6.8cm x (10-2m/1cm) x (1nm/10-9m) = – correct
6.6cm x (10-2m/1cm) x (10-9m/1nm) =
6.8cm x (1cm/10-2m) x (10-9m/1nm) =
How many surfboards can someone buy if surfboards cost 589 US Dollars and a person has 67981 Special Dollars? (hint: 1surfboard = 589 US Dollars)
1 US Dollar = 9.4 Special Dollars
None are correct
639021
12 – correct
115
1084
If a car gets 38miles/gallon. What is this value in kilometers/milliliter?
0.01573
15.73
16
0.016 – correct
On planet nalbandian there is a unit call nalos. 1 mile = 3.7 nalos. If you run 12.3 miles on earth how many nalos did you run?
3.3
45.5 – correct
3.32
46
On planet nalbandian there is a time unit called nans. 5.6 seconds = 1 nan. If it takes me 98 seconds to brush my teeth on earth how many nans did it take?
5488
17.5 – correct
18
5.6
What is the easiest way to set up conversion factors?
I have no idea
line up the same units on all numerators
the same units line up on all denominators
line up the same units on one numerator and one denominator so they cancel – correct
Matter is defined as:
Anything that occupies space and has mass. – correct
Anything that has mass.
Anything that occupies space.
Some things that occupy space and have mass.
None are correct.
Gasses and liquids are compressible
True
False – correct
Pure substances can be: Elements, Compounds and Heterogenous.
True
False – correct
A chemical change takes place when covalent bonds are broken and new covalent bonds are made.
True – correct
False