Atomic Structure, Periodic Table, Chemical Bonds, Chemical Formulas Worksheet Page 6
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2514B
Atomic Challenge!
Investigation
C
The game of atomic challenge
This game simulates how the heavy elements were created inside stars. Each player takes a
turn adding protons, neutrons, and electrons to the atom to build heavier and heavier
elements.
1. The winner of the game is the first player to run completely out of marbles.
2. Each player should start with 6 blue marbles
(neutrons), 5 red marbles (protons), and 5 yellow
marbles (electrons).
3. Each player takes turns adding 1 - 5 marbles, but not
more than 5. The marbles may include any mixture of
electrons, protons, and neutrons.
FOR EXAMPLE: you can add one blue, one red, and
one yellow marble in a turn. That makes three total
marbles, which is less than 5.
4. Marbles played in a turn are added to the marbles
already in the atom.
5. Only atoms where the electrons, protons, and neutrons
match one of the naturally occurring elements on the
table are allowed. If you add marbles that make an
atom NOT on the red periodic table you have to take
your marbles back and lose your turn.
6. A player can trade marbles with the bank INSTEAD of taking a turn. The player can
take as many marbles, and of as many colors as they need but must take at least as
many total marbles as they put in. For example, a player can trade 2 yellows for 1
yellow, 1 blue, and 1 red.
D
Stop and think
Atoms which are not on the periodic table shown may exist in nature but they are radioactive
and unstable. For example, carbon-14 is unstable and is not listed although carbon-12 and
carbon-13 are stable.
a. What four elements make up almost all of the mass in your body?
2
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