zinc, oxygen, aluminium and copper. A mixture is a combination or elements or compounds, in which you can separate them again e.g. sand + water, salt + water, and sugar + salt. An alloy is a metal made by combining two or more metallic elements, e.g. bronze, cupro-nickel, brass, and stainless steel is an alloy of iron and chromium. Particle theory – Particle theory is a theory of matter that believes matter is made up of particles that are constantly moving around. * Matter is made…
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