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.
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.
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

Chem. Review #1

False According to Dalton's atomic theory, atoms are composed of protons, electrons and neutrons.
True Atoms of elements are electrically neutral.
False The mass of an electron is equal to the mass of a neutron.
True The charge of all protons is the same.
False The atomic number of an element is the sum of the protons and electrons in the atom.
False The atomic number of an element is the whole number that decreases as you read across each row of the periodic table from left to right.
False Every atom of nitrogen has 7 protons and 7 neutrons.
True Relative atomic masses are measured in atomic mass units or amu's.
True The number of neutrons in the nucleus can be calculated by subracting the atomic number from the mass number.
True Radiations decreases with distance between you and the source.
False Noble gases are found in Group VII A.
True A row on the periodic table is called a Period or Series.
True Moseley created the arangement of our modern periodic table
False Iron is an example of an Alkali metal.
True Nonmetals gain electrons to become negative ions.
False Ions are formed by changing the number of neutrons.
False The sun is an example of nuclear fission.
False The nucleus of an atom has a positive charge, high mass and low density - often referred to as marble at the center of a football field.
Created by: FaithRaquel2015