Identifying Unknown Elements

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					               Can you crack the
                 Element Code?
 Use the periodic table to find the
 elements that answers the clue.
   The symbols of the elements
  together will make up a word.

 You are going to have to work as
table teams to solve these 6 codes.
  Number 1:

 Transition metal 24
 A common Halogen
 Family 13 bears this elements name



 The symbols together should answer the
  clue: A baby’s bed.
  Number 2:

 An active alkaline earth metal with 56
  protons
 The alkali metal of period 3
 The metal element that makes up table
  salt


 The symbols together should answer the
  clue: A delicious yellow fruit.
  Number 3:

 The first of the alkali metals
 The first element of family 16
 A period 2 nonmetal with 5 valence
  electrons



 The symbols together should answer the
  clue: The king of the jungle.
  Number 4:

 Element with atomic number 31
 The last alkaline earth metals
 Mendeleev predicted the existence of
  this metalloid



 The symbols together should answer the
  clue: A place to park the car.
  Number 5:

 The first element in the actinide series
 Period 2 nonmetal with 6 valence
  electrons
 The last of the noble gases



 The symbols together should answer the
  clue: A squirrel’s treat.
  Number 6:

 A transition metal used in incandescent
  light bulbs
 Period 4, Group 15 element
 The second element in Group 15
 Period 3 element with 6 valence electrons



 The symbols together should answer the
  clue: Watch out for a nest of these!
Which pair of elements has
the same number of valence
electrons?
Which pair of elements is in
the same period?
Which pair of elements is in
the same groups?
Which element has the
smallest atomic number?
Which element (s) would be
classified as a metal?
If the atomic number of
Element D is 20, then what is the
atomic number of Element R?

				
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posted:7/18/2013
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