Science

• who discovered the valence electrons?

  Gilbert Newton Lewis
• This rule prefers to have 8 electrons in the outer shell of an atom

  Octet rule
• This is a charge/particle of an atom

  Ion
• Give the 2 types of ion

  Cation

  Anion
• what charge does a cation hold?

  positive charge
• what charge does an anion hold?

  negative charge
• This electron are in the outermost shell or energy level of an atom

  valence electron
• These are the remaining electrons in an atom that are not involved in the bonding of an atom's outer shell

  core electron
• how many electrons do noble gases have in their outermost shell?

  8