Significant Figures – Chemistry Quiz

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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?

A Binary acid – correct

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