Save
Upgrade to remove ads
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

chemistry test2

QuestionAnswer
what is the number at the top of the box called? atomic number
if protons<electrons, what is the charge? negative
how many protons and electrons in a positively charged atom? protons>electrons
if protons>electrons, what is the charge? positive
how many protons and electrons in a negatively charged atom? protons<electrons
what is a neutral atom? protons=electrons
what are the 5 ways to determine a physical change? - colour change - odour - temperature change - gas released (bubbles/fizzing) - precipitate formed (solid formed)
is burning toast physical or chemical chemical
how is an element different to a compound? molecules in a substance that is a pure element only has one type of atom.
differences between compound and mixture - there can be compounds within mixtures - compounds refer to one molecule, whereas mixtures refer to a group of molecules - compounds need to be separated using chemical processes
name of the substances on the left side of an equation reactants
what side are the products on? right side
what side are the reactants on? left side
name of the substances on the right side of an equation products
magnesium + hydrochloric acid makes magnesium chloride + hydrogen
name of the numbers after the symbol subscripts
where do subscripts appear after the symbol
where do coefficients appear before the symbol
name of the numbers before the symbol coefficients
H2 + O2 makes water
C + O2 makes Carbon dioxide
Carbon dioxide formula C + O2
water formula H2 + O2
what does fizzing in a chemical reaction mean gas is released
if something was burned what was involved in the equation oxygen gas
t or f: most metals are gas at room temperature False
what state is carbon dioxide at room temperature gas
what state is cl at room temperature gas
difference between aqueous and liquid aqueous is a mixture where water is the solvent liquid is any other liquid
Created by: nnnnnn
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