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Chemical Bonds 
Chemical Bonds
How atoms (join together) to form compounds
Rubric Code: GX7A524
By Parmeet
Ready to use
Public Rubric
Subject: Chemistry  
Type: Quiz  
Grade Levels: 9-12

Powered by iRubric Chemical Bonds
Some common atom contains a nucleus composed of protons and neutrons and with electrons go around the nucleus. Chemical bonding is one of the most basic fundamentals of chemistry. In this chapter, you will analyze how atoms bond (join together) to form compounds.
  Fair

Student understands the very basic concepts of chemical bonds

2 pts

Good

Student has enough understanding of the concepts of chemical bonds that he/she could answer basic to some upper level questions

4 pts

High

Student has a firm grasp of the chemical bonding concept. Student will be able to solve basic questions and most advanced questions about chemical bonds

5 pts

Ionic Bonds

An ionic bond formed between atoms of metal elements that release electrons to atoms of non-metal elements. In this chapter student will describe the way atoms bond (join together) to form compounds and synthesize ideas on formation of ionic bond.
Fair

Student knows the basic concept that an atom is not stable because it does not have the octet configuration of the noble gases and has some knowledge of the bonding concept, but would have difficulty drawing an electron arrangement diagram of an ionic bond of two atoms. Student would be confused at times with the difference between ionic and covalent bonds
Good

Student understands that the ions in an atom's will bond with other atoms. The student probably could draw correct electron arrangement diagrams 60% of the time of individual atoms. Student might confuse an ionic bond for a covalent bond and would struggle on drawing bonding of two atoms by electron arrangement diagram.
High

Student has a very good understanding of the ion in an atom ,would be able to look at a periodic table and figure out how many electrons are in each atom's valence shell; students would be capable of drawing electron arrangement diagrams and illustrate ionic bonds between two atoms
Covalent Bonds

A covalent bond formed when two or more similar or different atoms share valence electrons between them. So that each atom achieves the octet or duplet electron arrangement.
Fair

Student knows the basic concept that an atom is not stable because it does not have the octet configuration of the noble gases and has some knowledge of the bonding concept, but would have difficulty drawing an electron arrangement diagram of a single atom and covalent bond of two atoms. Student would be confused at times with the difference between ionic and covalent bonds
Good

Student understands that the ions in an atom's will bond with other atoms. The student probably could draw correct electron arrangement diagrams 60% of the time of individual atoms. Student might confuse a covalent bond for an ionic bond and would struggle on drawing bonding of two atoms by electron arrangement diagram.
High

Student has a very good understanding of the ion in an atom. Would be able to look at a periodic table and figure out how many electrons are in each atom's valence shell; students would be capable of drawing electron arrangement diagrams and illustrate a covalent bond between two atoms




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