chloe young.

any substance that has mass and takes up space by having volume.

basic unit of a chemical element.

aspect of something abstract

a table of elements

a group of atoms bonded together

two or more separate elements

a multiplier or factor that measures some property

a character or string that is smaller than the preceding text and sits at or below the baseline

the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water

the process by which organisms combine oxygen with foodstuff molecules