Scelta multipla
Which of the following is the correct chemical formula for aluminum iodide?
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3. Chemical Reactions
Naming Ionic Compounds
Scelta multipla
Elements that form salts by combining with metals are ____.
A
noble gases
B
alkali metals
C
metalloids
D
nonmetals
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Understand that salts are ionic compounds formed by the combination of metals and nonmetals.
Recall that metals tend to lose electrons and form positive ions (cations), while nonmetals tend to gain electrons and form negative ions (anions).
Recognize that noble gases are generally inert and do not typically form compounds, so they are not involved in salt formation.
Note that alkali metals are metals themselves, so they do not combine with metals to form salts; instead, they combine with nonmetals.
Identify that metalloids have properties intermediate between metals and nonmetals, but salts are primarily formed when metals combine with nonmetals.
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