Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


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.
We do not share your email address with others. It is only used to allow you to reset your password. For details read 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.

Remove ads
Don't know
Know
remaining cards
Save
0:01
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards




share
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

Chem B final review

Chem B - final revie

QuestionAnswer
What is the atomic number of an atom with 12 protons? atomic number is 12
How many electrons do the most reactive elements have? 1 or 7
Each type of atom has a unique number of what? protons
As you move down a column on the periodic table, what happens to the number of energy levels? The number increases by one.
Why do atoms form bonds? full energy levels make an atom more stable
What happens to electrons during a covalent bond? electrons are shared
What happens to electrons during an ionic bond? electrons are given away or taken
In a Lewis Dot structure, how many electrons will be in the most stable atom? 8
List 3 ways to tell a chemical reaction has occurred. Color change in a reaction, a gas is made, an odor is given off, light is produced
In a chemical equation, who side of the --> are the reactants on? Reactants are on the left
In a chemical equation, who side of the --> are the products on? products are on the right
If energy is released, is it endothermic or exothermic? exothermic
If the temperature of the surroundings increases, is it endothermic or exothermic? exothermic
If the temperature of the surroundings decreases, is it endothermic or exothermic? endothermic
Surface area increases, what happens to rate of reaction? rate increases
Temperature is decreased, what happens to rate of reaction? Rate decreases
Hydrocarbon with only single bonds, name it. alkane
Hydrocarbon with at least one double bond, name it. alkene
Hydrocarbon with at least one triple bond, name it. alkyne
Created by: lb goodlock