Answer:

Before, I thought that matter differ because matter is everything

Before, I thought that the periodic table is table about periods

Now, I realized that matter differs because Matter can exist in one of three main states: solid, liquid, or gas

Now, I realized that the periodic table is also known as the periodic table of elements because it is a tabular display of the chemical elements, which are arranged by atomic number, electron configuration, and recurring chemical properties

Explanation:

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