Podcast
Questions and Answers
Covalent bonds form when two non-metal atoms share ______ electrons
Covalent bonds form when two non-metal atoms share ______ electrons
valence
Covalent bonds are strong and require a lot of ______ to break them
Covalent bonds are strong and require a lot of ______ to break them
energy
Substances with covalent bonds often form molecules with low ______ and boiling points
Substances with covalent bonds often form molecules with low ______ and boiling points
melting
Atoms may form multiple covalent bonds; they are not restricted to sharing electrons with only one other ______ but two or more
Atoms may form multiple covalent bonds; they are not restricted to sharing electrons with only one other ______ but two or more
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The number of covalent bonds is equal to eight minus the ______ number
The number of covalent bonds is equal to eight minus the ______ number
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Study Notes
Covalent Bonding
- Covalent bonds form when two non-metal atoms share electrons, specifically the valence electrons.
- Covalent bonds are strong and require a significant amount of energy to break.
- Substances with covalent bonds often have low melting and boiling points, such as hydrogen and water.
- Within molecules, covalent bonds are strong, but intermolecular forces between molecules are weak.
- A small amount of heat energy is required to separate molecules from one another.
- Atoms can form multiple covalent bonds with two or more atoms, not limited to just one.
- Atoms of different elements can form one, two, three, or four covalent bonds with other atoms.
Key Fact
- The number of covalent bonds an atom can form is equal to eight minus the group number of the element.
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Description
Understand the formation and characteristics of covalent bonds, including the role of valence electrons and the properties of molecules with covalent bonds.
