# Write Lewis Symbols for the Following Atoms and Ions: Al and Al3+ - Chemistry

Write Lewis symbols for the following atoms and ions: Al and Al3+

#### Solution 1

Al and Al3+

The number of valence electrons in aluminium is 3.

The Lewis dot symbol of aluminium (Al) is .

The tripositive charge on a species infers that it has donated its three electrons. Hence, the Lewis dot symbol is

#### Solution 2

""_13Al = 2,8,3 ∴ Lewis symbol = , Al^(3+) "ions" = [Al]^(3+)

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#### APPEARS IN

NCERT Class 11 Chemistry Textbook
Chapter 4 Chemical Bonding and Molecular Structure
Q 3.2 | Page 129