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

science re-take..

QuestionAnswer
Which subatomic particle has a negative charge electron
An atom would lose the least amount of mass if it lost an electron.
What electrical charge does a proton have in an atom? +1
What conclusion did Rutherford make in this observation?- gold foil The positive part of the atom is small and dense.
Which particles make up the mass of an atom? protons and neutrons
Which of the following best describes the discovery of the atom? Its existence was hypothesized based on observations of larger samples of matter.
A neutral chlorine (Cl) atom contains 17 protons and 18 neutrons. How many electrons are there in a chlorine ion 18
Scientists can identify an element by looking at the structure of a single atom.
Which of these provides the best evidence for the existence of the strong nuclear force? Most atomic nuclei do not fly apart.
Which statement best describes an atom? Atoms are the smallest particles of matter that are still elements.
Neutrons have a _________ charge. neutral
The mass of the atom is due largely to _________. protons and neutrons.
The term for total number of protons in a nucleus is the ________. atomic number
The particles which occupy most of the volume of an atom are ----- electrons
Which statement best describes Rutherford's model of the atom? It is like a huge stadium with a positively charged marble at the center.
Which of the following is unique for any given element? the number of protons
Which statement is true about oxygen-17 and oxygen-18? They are isotopes of oxygen.
Which of the following is NOT part of John Dalton's atomic theory? Atoms contain subatomic particles.
To find the number of neutrons in an atom, you would subtract atomic number from mass number.
What does the electron cloud model describe? the most likely locations of electrons in atoms
What is the difference between an atom in the ground state and an atom in an excited state? The atom in the excited state has more energy and is less stable than the atom in the ground state.
Created by: Chelsea Belsea
 

 



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