Chemistry Chemical Bonds & Electron Dot Diagram Notes

Multiple Choice

bond that shares electrons

• covalent bond

• ionic bond

Multiple Choice

bond that loses/gains electrons

• covalent bond

• ionic bond

​Bonding Rules

​4 Rules for Electronegativity Difference & Bonding

1. If the ΔEN is less than 0.5, then the bond is nonpolar covalent

2. If the ΔEN is between 0.5 and 1.6, the bond is considered polar covalent

3. If the ΔEN is greater than 2.0, then the bond is ionic​

​4. If the ΔEN is between 1.6 and 2.0

metal is involved, then the bond is considered ionic.

If only nonmetals are involved, the bond is considered polar covalent.

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Multiple Choice

What type of bond exists between Carbon & Hydrogen?

• nonpolar covalent

• polar covalent

• ionic

Multiple Choice

What type of bond exists between Hydrogen & Fluorine?

• nonpolar covalent

• polar covalent

• ionic

Multiple Choice

What type of bond exists between Sodium & Fluorine?

• nonpolar covalent

• polar covalent

• ionic

Multiple Choice

What type of bond exists between two Fluorine atoms (diatomic elements)?

• nonpolar covalent

• polar covalent

• ionic