Which element has a lower first ionization energy than aluminum (AI)? The Periodic Table
A. Sodium (Na)
B. Neon (Ne)
C. Sulfur (S)
D. Boron (B)

Freezing and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

How does the motion of particles in a gas change as the gas cools

Molecular iodine, i2(g), dissociates into iodine atoms at 625 k with a first-order rate constant of 0.271 s−1. part a part complete what is the half-life for this reaction?