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Periodic Table & Electron Configuration Poster Project
1. Divide your notebook page into 4 parts.
2+
2. Part 1: Write an electron configuration for Mg, Mg , O
2-
and O . How many valence electrons are in each of
these?
3. Part 2: Draw an orbital diagram for the atoms and ions in
question 2. Why does K form a positive ion (cation) but
oxygen forms a negative ion (anion)?
4. Part 3 & 4: Sketch a periodic table and label & color code
the following parts:
a. Metals
b. Nonmetals
c. Metalloids
d. Write the number of valence electrons at the top of
the table for each group of elements in the A
families.
e. Draw and label arrows for the trend in atomic
radius, electronegativity, and ionization energy as
you move across the table. Underneath the table,
answer: WHY does each trend follow the pattern
that it does, based on the electron configurations?
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