An element is a substance that cannot be broken down further, homogeneous mixtures appear as single substances, and identity underlines the unchanging qualities of objects.
Element: A substance that cannot be broken down into simpler chemical substances by ordinary chemical means.
Homogeneous mixtures (or solutions): Acts as a single substance so that it is not obvious that two or more substances are present.
Identity: The understanding that objects have qualities that do not change even if altered.
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