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Sigfigs
Scientific notation
The Mole and molar mass
Conversions
Other Things
100
Measurable digits in a number.

What are significant digit? What are sigfigs?

100

The format used to express a number as a product of a number and 10 to the power of 10.

What is scientific notation?

100
6.02 x1023
What is the mole? What is avagadro's number?
100

Number of meters in 1 kilometer

What is 1000?

100
The name of the number 3 in 3NaOH and what it tells you.

What is a coefficient that tells you that there are 3 molecules of NaOH present. 

200

a number with only 2 sigfigs 

22, 33, 23, any number with two sigfig

200

1,000,000,000 in scientific notation

what is 1x 109?

200

The mass of one mole of substance, expressed in grams/mole.

What is molar mass?

200

0.075 km = ______m

What is 75m?
200

The number of atoms of carbon and hydrogen in C2H6

What is two carbon and 6 hydrogen atoms?

300

Number of sigfigs in the number 1.204.

What is 4?

300

5.2 x 10-3 in standard notation 

what is 0.0052?

300

Molar mass of Potassium

What is 40 grams per mole?
300
How many days are in 33 minutes?

0.023 days

300

Measurements are close to the accepted value.

What is accuracy?

400

Round to 3 sigfigs: 402,325

what is 402,000

400

 0.000989 in scientific notation

9.89 x 10 -4

400
This element has a molar mass of 65.38 g/mole

What is the molar mass of zinc?

400

Number of moles in 2.55 g of Hydrogen.

What is 2.57 moles?

400

Measurements are close to one another.

What is precise?

500
Round this answer to the appropriate amount of sigfigs: 2.30 x 3.056=

7.03

500

Write 1.02355 x 103  in standard notation rounded to 3 sigfigs

What is 1020?
500

The Molar mass of H2O

What is 18.02 grams/mole

500

Number of atoms in a 0.021 gram sample of Cadmium? Answer in correct sigfigs 

What is 1.1×1020 atoms?

500

The percent error of A student that measures the mass of a sample of cadmium and records it as 0.025 g. The actual mass of the sample is 0.021 g. 

What is 19.05%. ?