Periodic Table

• How are elements arranged in the periodic table?

  In order of increasing atomic number
• What are periods?


  Periods are horizontal rows that show the number of electron shells an atom has.
• What are Groups?


  Groups are vertical columns that show the number of electrons in the outermost shell of an atom.
• What is the maximum number of electrons the first shell can hold?


  2
• What is the maximum number of electrons the second shell can hold?


  8
• What is the maximum number of electrons the third shell can hold?


  8
• What is the maximum number of electrons the fourth shell can hold?


  2
• Give 5 properties of metals


  malleable, ductile, good conductors of heat and electricity, shiny, and strong
• Give 4 properties of non-metals.


  low melting and boiling points, poor conductors of electricity and hear, dull, brittle.
• What is the name of elements in Group 1?


  Alkali Metals
• What is the name of elements in Group 7?


  Halogens
• What is the name of elements in Group 0?


  Noble Gases
• What do elements in the same group have in common?

  Elements in the same group have similar chemical properties