1. equilibrium pressure 2. caused by collisions with container walls kinetic energy 3. measure of average kinetic energy diffusion 4. the intermingling of one substance within another temperature 5. determined by mass and speed evaporation = condensation

1. Pressure: Caused by collisions with container walls.  

When the temperature is elevated, the kinetic energies of the molecules increases that further causes a greater number of collisions between the molecules. If the volume of the container is kept the same, and only the temperature is enhanced, it will lead to a greater collision of molecules with the wall of containers that will exert more pressure on the wall.  

2. Kinetic energy: Is determined by mass and speed.  

Kinetic energy refers to the energy displayed by a moving object. It is determined by two essential elements, speed, and mass of an object.  

3. Diffusion: The intermingling of one substance within another.  

Diffusion can be regarded as the random movement of molecules when they are placed in an environment with the requirement of no energy from external. This movement is random and one molecule adheres and intermingles with other without any sequence.  

4. Temperature: Measure of average kinetic energy.  

The temperature determines the average kinetic energy. The more the temperature, the higher will be the collisions between the molecules, and the greater will be their kinetic energies.  

5. Evaporation = condensation: Equilibrium

A chemical state of equilibrium is attained when the rate of evaporation becomes equivalent to the rate of condensation of a certain liquid.  

"among the transition metal elements, manganese and zinc have a slight lowering of electronegativities. the reason behind this is that the nuclear charges of these elements are slightly weaker than the other transition metal elements due to the way their valence electrons are filled up. both manganese and zinc have their valence electrons filled up to the 4th shell with 1 pair of electrons (4s2) completely occupying it. although the electrons in the 3rd shell (3d) are yet to be paired since the outer most shell is filled up, the ability of the nucleus to attract electrons is lessened. hence,   the electronegativity (or the ability to attract electrons) is lessened."