Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key


Play button


Play button




Click to flip

20 Cards in this Set

  • Front
  • Back
An Ion is a _ _ _ _ _ _ _ particle
What are Isotopes?
Atoms of the same element w/ different # of neutrons. (Ex. H-1)
what are noble gases?
gases in group 18, dont chemically combine iwth other elements. other elements try to be like noble gases.
nonmetals _ _ _ _ ions.
gain..... nonagain
metals _ _ _ _ ions
what group of metals are transition metals
metals group 3 - 12
what group of metals are alkaline metals?
group #1
what are valence electrons
outer electrons involved in transfers
what is a period?
horizontal row of elements.. hint ( theres a period at the end of ever sentence)
to find neutrons .. subtract ? from ?
atomic # from Atomis Mass
Mass number = ? + ?
# of protons + # of neutrons
Atomic number = ? = ?
# of protons = # of electrons
what are electrons?
they are out side the nuclues
have a negative charge
what are Nuetrons?
Found in Nuclues
Nuetral charge

what are protons?
Found in nucleus
positive charge
What are atoms?
building blocks of matter
Who invented the periodic table?
How can you characterize each family of metals?
similar properties
what are the properties of metals?
Bohr drawings
- first ring hols how many electrons?
- rest of the rings hold how many?
first ring 2
rest of them 8