General Chemistry Semester 1 Review

The amount of matter in a sample is:

• density.

• weight.

• volume.

• mass.

Tags

NGSS.HS-PS1-7

The unit to measure of how much space matter takes up is:

• volume

• grams

• liters

• Kelvin

The liquid state of matter can be described as

• vibrating particles in place

• particles that roll over one another

• a sea of electrons

• a state that is compressible

Tags

NGSS.MS-PS3-4

NGSS.MS-PS1-4

A solid substance is

• always frozen regardless of kinetic energy

• is a crystal lattice

• maintains its shape at constant temperature

• always losing particles regardless of its container.

Tags

NGSS.MS-PS3-4

Write this number in standard form: 2.34 x 10³

• 2,340
• 23,400
• 23.40
• 2.340

How many significant figures in the number: 98,401

• 4
• 5
• 3
• 2

If you have 15 kilograms, how many grams do you have? 

• .0015 g
• 15 g
• 1,500 g
• 15,000 g

A scientific explanation for something that has been extensively tested and has a massive amount of evidence but usually cannot be witnessed is considered a(n)...

• law

• theory

• hypothesis

• observation

In a controlled experiment, which group does NOT receive the independent variable and allows the comparison of results?

• control group

• experimental group

• dependent group

• variable group

You measured 32.3 but your teacher said you should have got 35.0. What was your percent error?

• 7.7%

• 1.2%

• 15.8%

• 25.4%