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

Chemistry Key Terms

Junior cert chemistry

QuestionAnswer
Matter ANYTHING that occupies space and has mass
Solute The substance being dissolved
Solvent the liquid the solute is dissolving in
Crystallisation the forming of crystals by cooling a saturated solution
Mixture consists of 2 or more substances mingled together but not chemically combined
An Element a substance made up of only one type of atom
A Molecule composed of 2 or more atoms chemically combined
Compounds consists of 2 or more elements chemically combined
An Atom the smallest part of an element that still has properties of that element
Atomic Number the number of protons in an atom of that element
Mass Number the amount of protons AND Neutrons in an atom of that element
Isotopes atoms of the same element which have a different number of neutrons
An Ionic Bond the force of attraction between OPPOSITELY charged ions
An Ion a charged atom OR group of atoms
Alloy a mixture of metals eg. BRONZE
Rusting the corrosion of Iron
Malleable Metal that can be hammered into shape
Ductile metal that can be stretched
Fuel a substance that burns oxygen to produce heat
Fossil Fuel formed from the remains of organisms that lived millions of years ago
Hydrocarbons compounds made up of hydrogen and carbon
The PH Scale indicates the acidity OR basicity of a solution
Catalyst a substance that speeds up a reaction without getting used up
Screening water passes through a wire mesh and large particles are removed
Settling water is left in large tank and ALUM is added to clump smaller particles together and they sink to the bottom
Filtration water is passed through beds of sand to remove insoluble particles
Chlorination chlorine is added to kill bacteria
Fluoridation fluorine is added to prevent tooth decay
Electrolysis the splitting of a compound by passing electricity through it
Meniscus the curved surface of a liquid in a vessel
Hard water water that doesn't lather easily
Soft water water the produces lather easily
Polymerisation small repeating units called monomers join together to form a large molecule called polymer
Covalent Bonding eg carbon dioxide
Created by: jojo1979
Popular Science 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