Examlex
What cell structure defines the outer boundary of all cells, separating the cell's contents from its environment? (two words)
Mixture
A physical combination of two or more substances in which each substance retains its own chemical identity and properties.
Alloy
A substance made by melting two or more elements together, at least one of them a metal, resulting in a material with characteristics different from the individual components.
Metallic Elements
Elements that are good conductors of heat and electricity, have a shiny appearance, and are malleable and ductile.
Homogeneous Mixture
A mixture in which the composition is uniform throughout, such as solutions where the solute is completely dissolved in the solvent.
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