Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

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.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.

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
remaining cards
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:
restart all cards

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

Ch 1 Review

Chapter 1 Matter Energy Review

A proton has a _____________ charge. positive
A proton is located in the atom’s ________________. nucleus
A neutron has a ___________________charge. neutral
A neutron is located in the atom’s __________________. nucleus
An electron has a __________________ charge. negative
An electron is found in an atom’s ___________________. orbitals
An atom is __________ because it has the same number of protons and electrons. neutral
__________________ ______________ are the electrons involved in bonding between atoms. Valence electrons
The modern periodic table is arranged in order of increasing _________ ______________. atomic number
An element’s location in the periodic table can be used to predict its __________. properties
Elements in a column of the periodic table are in the same __________. group
Elements in a group have the same number of ____________ __________. valence electrons
Across a period of elements, the number of valence electrons ___________ from left to right. increases
Elements in Group 1 have ___________ valence electron. one
A _____________ change will change matter into one or more new substances. chemical
The only sure evidence of a chemical reaction is the production of a __________ substance. new
In a chemical reaction, __________ is either absorbed or released. energy
________________ chemical reactions absorb energy in the form of heat. Endothermic
________________ chemical reactions release energy in the form of heat. Exothermic
Table salt, baking soda, and water are all examples of ________________. compounds
A ________ ____________ is a shorter, easier way to show chemical reactions, using symbols instead of words. chemical equation
_________________ are the substances on the left side of a chemical equation. Reactants
In a chemical formula, __________________ show the ratio of atoms of different elements in a compound. subscripts
The principle of ____________ of ______________ states that matter is not created or destroyed. conservation of mass
In a ___________________ chemical reaction two or more substances combine to make a more complex substance. synthesis
In a ______________ chemical reaction, the reactant is broken down into simpler products. decomposition
In a _______________ chemical reaction, one element replaces another in a compound. replacement
The ____________ __________ is the minimum amount of energy that has to be added to start a reaction. activitation energy
An ____________________ is a material used to decrease the rate of reaction. inhibitor
A _____________________ is a material used to increase the rate of a chemical reaction. catalyst
Created by: lschramme