Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Matter Test Unit 1

Matter Test Unit 1 (25-26)

QuestionAnswer
The basic unit of matter is the _____. atom
An atom is composed of three smaller parts: protons, neutrons, and _______. electrons
A _____ substance is a type of matter that is made up of only one material. pure
We have identified over 100 elements and listed information about them in a chart known as the _____ table. periodic
A compound is the chemical combination of 2 or more _____ elements. different
Compounds ______ combine in the same ratio. For example, water is always 2 atoms of hydrogen and one atom of oxygen. ALWAYS
A ______ is a mixture with parts that blend so that it looks the same everywhere, even if you used a microscope solution
The scattering of light by the particles in a colloidal solution or suspension is called _____ Effect. Tyndall
Melting, freezing, vaporization, condensation, ________ , and deposition are the six phase changes. sublimation
The arrangement of ______ in a substance becomes less orderly as the substance melts and more orderly as the substance freezes. molecules
the change of state from a solid to a liquid melting
the change of state from a liquid to a solid freezing
the change of state from a liquid to a vapor (gas) vaporization
Vaporization can occur in two ways: _____ and boiling. evaporation
the slow form of vaporization in which liquid particles gain enough energy to change to a gas. This always takes place on the surface of the liquid. evaporation
A physical change is a type of change where the state or form of matter changes but its _____ remain the same. properties
Which of the following is NOT an example of a physical change? burning leaves
Which of the following is NOT an example of a physical change in STATE? slicing vegetables
A ______ property is a characteristic or behavior of a substance that may be observed when it undergoes a chemical change. chemical
The ability for a substance to dissolve in different liquids (solvents) such as water. Solubility
the harmfulness of a chemical to living things. Toxicity
The type of bonds formed and how easily the bonds are created/broken. Bond formation
how easily the material will catch fire and burn without a fuel source, like gasoline Flammability
A chemical change is a type of change where the ______ properties of matter are lost and new ones take their place. original
When we see an UNEXPECTED ____ Change, new molecules created in a chemical reaction radiate light differently producing new colors. color
What is another term meaning fire? combustion
When a solid appears in a solution and settles to the bottom, collects on another object, or makes the solution cloudy we call this what? a precipitate
When gases produced in a chemical reaction are released, like an alka seltzer tablet in water, this is evidence of what type of change? chemical
Created by: user-1727869
Popular Chemistry sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards