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

ElementaryChemFinal

Study for elementary chemistry (chem 2) final

QuestionAnswer
what is the smallest unit of an element that retains its properties? an atom
what are the 3 subatomic particles? Proton, Neutron, Electron
what is the charge and location of a proton? Positive charge, located in the nucleus
what does the atomic number represent? the number of protons in an atom
how is the periodic table arranged? by increasing atomic number
what are the rows and columns on the periodic table called? Rows = Periods Columns = groups or families
what types of elements are found on the left side of the periodic table? Metals
which group contains the Nobel gases? Group 18
what is an ionic bond? a bond formed by the transfer of electrons from a metal to a nonmetal
what is a covalent bond? a bond formed by the sharing of electrons between 2 nonmetals
what type of ion is formed when an atom loses an electron? a cation (positive ion)
what is a molecule? two or more atoms bonded together covalently
what is the law of conservation of mass? matter cannot be created or destroyed in a chemical reaction
what are the signs of a chemical reaction? color change, temperature change, gas production, or precipitate formation
what is a mole in chemistry? 6.022*10^23 particles of a substance
what is the ideal gas law equation? pV = nRT
what does STP stand for in gas laws? Standard Temperature and Pressure (0 degrees Celsius and 1 atm)
what happens to gas pressure if volume decreases and temperature stays constant? Pressure increases (Boyle's Law)
what is the formula for finding Molarity? moles of solute/liters of solution
what pH range do acids have? less than 7
what pH range do bases have? greater than 7
what do acids produce in water? H+ ions (hydrogen ions)
what do bases produce in water? (OH-) ions (hydroxide ions)
what type of reaction absorbs energy? endothermic
what type of reaction releases energy? exothermic
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