Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

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.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.

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.

Remove ads
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards

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

Chemistry Test 1

By Margot Lamie

Can elements be separated into simpler substances? No. Elements always stay as they are.
What are compounds made up of? Two or more elements.
Can a compound be separated chemically or physically? A compound can only be separated chemically. A compound has a chemical formula and it always made in a specific ratio.
What is a mixture made up of? Two or more substances.
Can a mixture be separated physically or chemically? A mixture can be separated physically and has no chemical change.
What is a heterogeneous mixture? In a heterogeneous mixture, you can see all the parts. A heterogeneous mixture is not completely combined. ex. italian dressing, chocolate chip pancakes
What is a homogeneous mixture? In a homogeneous mixture, you cannot see all the parts. A homogeneous mixture is completely mixed and appears the same throughout. ex. saltwater, baked cake
What is a physical change? happens when matter changes size, shape, or form ex. water boiling (liquid to gas)
What is a chemical change? any change that results in the creation of a new chemical substance
What is density? mass/volume substances that are denser contain more matter in a certain volume
What is an example of density? Lead is very dense while aluminium is not
What is an example of a chemical change? baking soda and vinegar reacting to create foam
What is matter? anything that has mass and takes up space
What is an atom? an atom is composed of matter; the smallest part of an element
What are protons, electrons and neutrons? protons: positively charged particles within the atom neutrons: neutrally charged particles within the atom electrons: negatively charged particles within the atom
Created by: margotlamie07