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4 cards from this section. Quick, good the night before a test.
Draw the Lewis Dot Structure for nitrogen, which has five valence electrons.
Count the valence electrons as you place the dots.
Identify the number of valence electrons in magnesium (Mg).
Refer to the periodic table to find its group number.
What does a Lewis Dot Structure represent?
Think about what dots around the element symbol signify.
True or False: Covalent bonds involve the transfer of electrons between atoms.
Recall the differences between ionic and covalent bonding.
How do you determine the number of valence electrons for an atom using the periodic table?
Look at the vertical columns and their numbers.
Construct the Lewis Dot Structure for ammonium ion (NH4+), and explain the significance of its charge.
Think about how charge affects electron balance in the structure.
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