Answer:
0.071 is the correct answer using the formula d=m/v
A catalyst will speed up the activation energy and therefore speed up the reaction. The products will form fast because of this.
The process by which wind removes surface materials is called abrasion.
Answer:
Beryllium has an electronic configuration of 1s2 2s2 in its natural state. When in an ion state of Be2+ it loses the electrons in a 2s shell and has a configuration of 1s2. This means that Be2+ has 2 electrons.
