A column of elements is a period
GG | Gg
-----------
Gg | gg
Answer:
Physical and chemical changes are similar because they are both caused by the interaction of two or more particles.
Explanation:
Physical and chemical changes are similar because they are both caused by the interaction of two or more particles. Physical changes occur through vibrations, impacts, and other forms of movement. Chemical changes are caused by the interaction of two or more atoms or molecules.
<span>it tells you the sequence in which events occurred, not how long ago they occurred.</span>
