Atomic structure

• Where is the proton located?

  Nucleus
• Where is the neutron located?

  Nucleus
• Where are the electrons located?

  Shells
• What is protons relative mass?

  1
• What is protons relative charge?

  +1
• What is the neutrons relative mass?

  1
• What is the neutrons relative charge?

  0
• What is the electrons relative mass?

  1/1840
• What is the electrons relative charge?

  -1
• What is the atomic number?

  The number of protons in the nucleus
• What is the mass number?

  The number of protons and nuetrons in the nucleus
• Why does an atom have no electrical charge as a whole?


  The number of protons are equal to the number of electrons
• What is an isotope?

  An atom of an element with the same atomic number but different mass number
• Relative atomic mass equation

  Σ(mass number x abundance)

  Σ abundance
• What is a compound?

  2 or more elements chemically combined
• What is a cation?


  A positively charged ion
• What is an Anion?


  A negatively charged ion