CK-12 Physical Science Concepts - For Middle School

3.3. Chemical Formula http://www.ck12.org Q:A molecule of the covalent compound nitrogen dioxide consists of one nitrogen atom ...

http://www.ck12.org Chapter 3. Chemical Interactions 3.4 Ionic Bonding State how ionic bonds form. Explain why ionic bonds form ...

3.4 Ionic Bonding FIGURE 3.6 By gaining an electron, the chlorine atom becomes a chloride ion. It now has more electrons than p ...

http://www.ck12.org Chapter 3. Chemical Interactions FIGURE 3.7 the group than from lithium (Li) at the top of the group (see th ...

3.5 Ionic Compounds 3.5 Ionic Compounds Describe ionic compounds and how they form. Explain how ionic compounds are named. Iden ...

http://www.ck12.org Chapter 3. Chemical Interactions Crystals Many compounds form molecules, but ionic compounds form crystals i ...

3.5. Ionic Compounds http://www.ck12.org Naming Ionic Compounds Ionic compounds are named for their positive and negative ions. ...

http://www.ck12.org Chapter 3. Chemical Interactions FIGURE 3.9 Summary Ionic compounds consist of oppositely charged ions that ...

3.5. Ionic Compounds http://www.ck12.org Explore More Watch the tutorial on ionic compounds at the following URL, and then answe ...

http://www.ck12.org Chapter 3. Chemical Interactions 3.6 Covalent Bonding Define covalent bond. Describe covalent compounds and ...

3.6 Covalent Bonding FIGURE 3.10 Q:How many valence electrons does the oxygen atom (O) share with each hydrogen atom (H)? How ma ...

http://www.ck12.org Chapter 3. Chemical Interactions Why Covalent Bonds Form Covalent bonds form because they give atoms a more ...

3.7 Molecular Compounds 3.7 Molecular Compounds Define covalent compound. Explain how covalent compounds are named. Describe ho ...

http://www.ck12.org Chapter 3. Chemical Interactions FIGURE 3.12 Naming and Writing Formulas for Covalent Compounds To name simp ...

3.7. Molecular Compounds http://www.ck12.org TABLE3.4:Boiling Points of Some Common Compounds Name of Compound(Chemical For- mul ...

http://www.ck12.org Chapter 3. Chemical Interactions 3.8 Bond Polarity Describe polar and nonpolar covalent bonds. Explain why ...

3.8 Bond Polarity FIGURE 3.13 In other covalent bonds, electrons are shared equally. These bonds are callednonpolarcovalent bond ...

http://www.ck12.org Chapter 3. Chemical Interactions arranged. This is illustrated in theFigure3.15. In both molecules, the oxyg ...

3.8. Bond Polarity http://www.ck12.org If a covalent compound has polar bonds and more than two atoms, what determines whether ...

http://www.ck12.org Chapter 3. Chemical Interactions 3.9 Hydrogen Bonding Describe hydrogen bonds and explain why they form. Re ...