Chemical Bonding Worksheet #1 (lonic Bonding)
1. How many valence electrons do the above atoms have?
a. nitrogen atom
b. sodium atom C. sulfur atom
atom
d. bromine
2. Draw the Lewis valence electron dot structures for the following atoms:
a. nitrogen atom
b. sodium atom
C. sulfur atom
d
. bromine atom
e. magnesium atom
f. aluminum atom
9. carbon atom
h. neon atom
3. Why do atoms become ions?
4. How many valence electrons are needed in order for an atom or ion to be stable? (What are
the "magic numbers?)
5. Which type of atom will always lose valence electrons to become an ion?
Which type of atom will always gain valence electrons to become an ion?
When the following become IONS what will the charge be?
nitrogen b. sodium C. sulfur d. bromine e magnesium
f. aluminum





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