types of radiation

• what is a proton number

  number of protons
• what is an isotope

  atoms that have different numbers of neutrons but the same number of protons
• electrons in an atom is always the same as the number of protons
• what happens if a atom loses one or more electron

  becomes positively charged
• what happens if they gain one or more electrons

  become negatively charged
• back ground radiation is all around us some comes from natural or artificial sources
• what are the natural sources of background radiation

  cosmic rays

  ricks

  soil

  food
• what are man made things that back ground radiation come from

  x rays

  nuclear power
• A is the atomic mass
• Z is the atomic number
• what is a nucleon number

  number of protons and neutrons
• how do you check the breaks before you start driving

  breaks shouldn’t feel spongy or slack.

  Vehicle should not pull to one side.