Sure, here are two properties of simple molecular substances:

1. Low Melting and Boiling Points: Simple molecular substances typically have low melting and boiling points. This is because these substances consist of molecules where the atoms within them are held together by strong covalent bonds. However, the forces of attraction between these molecules are relatively weak. Therefore, it does not require a lot of energy (in the form of heat) to overcome these forces, resulting in low melting and boiling points.

2. Non-conductivity: Simple molecular substances are usually poor conductors of electricity. This is because they do not have any free electrons or ions that can move and carry charge. The electrons are tightly held within the covalent bonds and cannot move freely. Therefore, these substances do not conduct electricity.

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Sure, here are two properties of simple molecular substances:

1. Low Melting and Boiling Points: Simple molecular substances typically have low melting and boiling points. This is because these substances consist of molecules where the atoms within them are held together by strong covalent bonds. However, the forces of attraction between these molecules are relatively weak. Therefore, it does not require a lot of energy (in the form of heat) to overcome these forces, resulting in low melting and boiling points.

2. Non-conductivity: Simple molecular substances are usually poor conductors of electricity. This is because they do not have any free electrons or ions that can move and carry charge. The electrons are tightly held within the covalent bonds and cannot move freely. Therefore, these substances do not conduct electricity.

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Sure, here are two properties of simple molecular substances:

1. Low Melting and Boiling Points: Simple molecular substances typically have low melting and boiling points. This is because these substances consist of molecules where the atoms within them are held together by strong covalent bonds. However, the forces of attraction between these molecules are relatively weak. Therefore, it does not require a lot of energy (in the form of heat) to overcome these forces, resulting in low melting and boiling points.

2. Non-conductivity: Simple molecular substances are usually poor conductors of electricity. This is because they do not have any free electrons or ions that can move and carry charge. The electrons are tightly held within the covalent bonds and cannot move freely. Therefore, these substances do not conduct electricity.

Select two properties of simple molecular substances:

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