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Course: High school chemistry > Unit 2

Lesson 1: Ionic bonds
Science
High school chemistry
Chemical bonding
Ionic bonds
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Apply: ionic bonds and compounds

Google Classroom
You might need: Periodic table

Problem

Group 2 metals can bond with group 17 nonmetals to form ionic compounds. An example is calcium chloride, which is often used to melt ice on sidewalks during cold weather.
Complete the statement.
To produce a neutral ionic compound, one ion from group 2 is needed for every
ion(s) from group 17.