Question

These are the types of attractions found between molecules. Their strength determines the state of the substance at room temperature.

Answer 1

Answer:

intermolecular force of attraction

Explanation:

Answer 2

Inter-molecular force of attraction

Explanation:

• At room temperature a substance exists in the solid state only when thermal motion is superseded by the inter-molecular forces.
• Inter-molecular forces are weaker than intramolecular forces  like covalent or ionic bonds between atoms in the molecules.  
• Their strength determines the state of the substance at room temperature.
• This includes either forces of attraction or forces of repulsion acting between the molecules.
• In gases, the kinetic energy is sufficient to overcome the forces of attraction between the molecules.

To learn more:

1. This is a temperature where the vapor pressure of a liquid equals the atmospheric pressure.:

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2. Background research gives scientists the knowledge necessary to take what action?:

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