The answer is Physical Change.
This is what I got hope it helps
Sound is a form of energy is incorrect
Sound is caused by the movement or vibration of matter
The question is incomplete, so the complete question is as follows:
Decide which element probably has a melting point most and least similar to the melting point of cesium. Comparing melting point: helium thallium sodium strontium
Answer:
Most similar melting point : Sodium
Least similar melting point: Strontium
Explanation:
Melting point is defined as the temperature at which soid will melt or get converted into liquid.
Melting point of cesium is 28.44 °C and most similar melting point is sodium as its melting point is 97.72°C and least similar melting point is strontium as it has melting point 777°C.
Hence, the correct answer is:
Most similar melting point : Sodium
Least similar melting point: Strontium