Ohio Resource Center
ODE Assessment Item, Grade 10: Physical Sciences, Covalent and Ionic Bonds
9, 10
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Professional Commentary

This question asks students to describe the difference between the formation of the covalent bond in Cl2 and the ionic bond in NaCl. This is a short answer test item used in a past Ohio Graduation Test assessment (for more information, see IMS: Assessments). From this test item, a visitor may view the passages and stimuli, and information regarding general student performance on this item. The Ohio Department of Education’s IMS website allows visitors to search for test items and build a printable database of questions by choosing the "Add to Your Backpack" function. ODE Reference Information: 2007-Grade 10 Science, Annotated Item 7. (author/cb)

Ohio Science Academic Content Standards (2002)
Physical Sciences
Benchmarks (9–10)
Explain how atoms react with each other to form other substances and how molecules react with each other or other atoms to form even different substances.
National Science Education Standards
Physical Science
Structure and properties of matter (Grades 9 - 12)