The substance with the highest melting point among Br2, Hg, Na2O, CH3OH, and PCl3 is Na2O (Sodium Oxide). Here's why:

1. Br2 (Bromine) is a non-metal and exists as a liquid at room temperature. Its melting point is -7.2 degrees Celsius.

2. Hg (Mercury) is also a liquid at room temperature and has a melting point of -38.83 degrees Celsius.

3. CH3OH (Methanol) is a liquid at room temperature with a melting point of -97.6 degrees Celsius.

4. PCl3 (Phosphorus Trichloride) is a solid at room temperature, but its melting point is -112 degrees Celsius.

5. Na2O (Sodium Oxide) is a solid at room temperature and has a high melting point of 1132 degrees Celsius.

Therefore, among these substances, Na2O has the highest melting point.

Question

The substance with the highest melting point among Br2, Hg, Na2O, CH3OH, and PCl3 is Na2O (Sodium Oxide). Here's why:

1. Br2 (Bromine) is a non-metal and exists as a liquid at room temperature. Its melting point is -7.2 degrees Celsius.

2. Hg (Mercury) is also a liquid at room temperature and has a melting point of -38.83 degrees Celsius.

3. CH3OH (Methanol) is a liquid at room temperature with a melting point of -97.6 degrees Celsius.

4. PCl3 (Phosphorus Trichloride) is a solid at room temperature, but its melting point is -112 degrees Celsius.

5. Na2O (Sodium Oxide) is a solid at room temperature and has a high melting point of 1132 degrees Celsius.

Therefore, among these substances, Na2O has the highest melting point.

Knowee AI · Accepted Answer

The substance with the highest melting point among Br2, Hg, Na2O, CH3OH, and PCl3 is Na2O (Sodium Oxide). Here's why:

1. Br2 (Bromine) is a non-metal and exists as a liquid at room temperature. Its melting point is -7.2 degrees Celsius.

2. Hg (Mercury) is also a liquid at room temperature and has a melting point of -38.83 degrees Celsius.

3. CH3OH (Methanol) is a liquid at room temperature with a melting point of -97.6 degrees Celsius.

4. PCl3 (Phosphorus Trichloride) is a solid at room temperature, but its melting point is -112 degrees Celsius.

5. Na2O (Sodium Oxide) is a solid at room temperature and has a high melting point of 1132 degrees Celsius.

Therefore, among these substances, Na2O has the highest melting point.

Which substance has the highest melting point? Br2 Hg Na2O CH3OH PCl3