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

Grade8 PeriodicTable

understanding the format of the groups and periods

QuestionAnswer
How many groups are there? 18
What is a group or family of elements? a column
What is a period of elements? a row
How many periods are there? 7
Does the atomic number(number at top) show the number of protons in the element? yes
If an element has 7 protons, how many electrons does it have? 7
The atomic mass is the number shown below the chemical symbol and name. Is it the total of protons and neutrons? yes
an electron in the outermost energy level of and atom is a valence electron
Can you use the periodic table to find the number of valence electrons? yes
Look at a periodic table and determine the number of valence electrons in the element Oxygen. 6
How many neutrons does Oxygen have? 8
How many electrons does Sodium have? 11
How many protons does Sodium have? 11
What does Periodic Law state? That repeating chemical and physical properties of elements change periodically with the elements' atomic numbers.
Name the particles that form together to make protons and neutrons. quarks
Name the "glue" that binds the quarks together. gluons
Created by: ahsimmon
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