Chemistry Semester 1 Review

How many significant figures does the following number have: 0.002040

• 6
• 4
• 3
• 2

Tags

CCSS.8.EE.A.4

Round 1047.78 to three sig figs

• 104
• 105
• 1050
• 1050.00

Tags

CCSS.5.NBT.A.4

What is 0.638 rounded to 1 significant figure?

• 0

• 0.63

• 0.6

• 0.638

10 m = _____ mm

• 10,000 mm

• 100 mm

• 1 mm

• 1,000 mm

Tags

CCSS.2.MD.A.2

987 mm = _____ cm

• 98.7 cm

• 9,870 cm

• 9.87 cm

• 0.987 cm

Tags

CCSS.2.MD.A.2

Are made from a combination of 2 or more elements...

• Molecules
• Pure Substances
• Compounds
• Elements

Tags

NGSS.MS-PS1-1

A combination that can be separated by physical processes is a .....

• Pure Substance
• Glucose
• Element
• Mixture

A mixture that is NOT evenly distributed is called ....

• Compounded
• Homogenous
• Heterogenous
• Salty

Mixture, such as mixed nuts or dry soup mix, in which different materials are unevenly distributed and are easily identified.

• suspension
• homogeneous mixture
• heterogeneous mixture
• colloid

Substance with atoms that are all alike.

• element
• compound
• homogeneous mixture
• heterogeneous mixture