2.2 Use the E notation and give the number of protons, neutrons and electrons of the hou
following elements:
39
1
(2) 13%Ba
(
(1
)
K
19
ok
​

This is what i found on google “according to the collision theory, the following criteria must be met in order for a chemical reaction to occur: molecules must collide with sufficient energy, known as the activation energy, so that chemical bonds can break. molecules must collide with the proper orientation.” i hope this information you.

The speed was not exceeded so it was slow