Chemistry S1 Review

How many sig figs are there?
100.00

• 1
• 3
• 4
• 5

Tags

CCSS.8.EE.A.3

How many sig figs are there?
0.000008

• 1
• 2
• 6
• 7

Tags

CCSS.8.EE.A.4

How many significant figures: 153.0 mL

• 1
• 2
• 3
• 4

Write 0.00000707 in scientific notation.

• 7.07 x 10^-6
• 7.07 x 10⁶
• 707 x 10⁸
• 707 x 10^-8

Which of the following is correct scientific notation?

• 20.35 x 10⁴
• .2035 x 10⁴
• 2035 ⁴
• 2.035 x10⁴

Tags

CCSS.8.EE.A.3

A sample of seawater has a mass of 158 g and a volume of 156 mL. What is the density?

• 1.01 g/mL

• 0.99 g/mL

• 24,648 g/mL

Classify the sample

• Element
• Compound

Tags

NGSS.MS-PS1-1

Classify the sample

• Pure Substance
• Mixture of Elements
• Mixture of Compounds

Tags

NGSS.MS-PS1-1

Classify the Sample. 

• Pure Substance
• Mixture of Elements
• Mixture of Compounds
• Mixture of Elements and Compound

Tags

NGSS.MS-PS1-1

The students measured length during a science experiment, they got 12 cm. But the actual measurement was 14.25 cm. What was the percent error?

• 15.79%

• 18.75%

• 2.25%

• 18%

Tags

CCSS.6.RP.A.3C