Can matter be categorized by weather it’s a pure substance or mixture?

Explanation:

Matter can be broken down in two categories by pure substance and mixtures. Pure substance are further broken down into elements and compounds. Mixtures are physical combined structures that can be separated into their original components.

periodic trends is an atom that gets larger as the number of electronic shells increase, the radius of atoms increases as you go down a certain group in the periodic table of elements. in general, the size of an atom will decrease as you move from left to right of a certain period.

a 20-cm-long, cylindrical graphite (pure carbon) rod is inserted into an oxidizing atmosphere at 1145 k and 1.013 x 105 pa pressure. the oxidizing process is limited by the diffu- sion of oxygen counterflow to the carbon monoxide that is formed on the cylindrical surface.