All terms in this list:
Periodically: at regular intervals of time
Atom: smallest component of an element that has the chemical properties of the element
Atomic Number: number of positive charges or protons in the nucleus of an atom of a given element
Compound: composed of two or more parts/elements/ingredients
molecule: smallest physical unit of an element or compound
Homogeneous: composed of elements having the same composition throughout
Heterogeneous: composed of dissimilar elements
Identify: to recognize or establish the identity of someone or something.
Mixture: any combination of different elements
Element: a component of a whole; one of a class of substances that can't be separated into smaller substances chemically.
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