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Ah, :-)
to determine the type of metal something is, you can measure its density... it's weight, and water-displacement.
lead, ~11 grams/milliliter (1 milliliter is also 1 cubic centimter);
copper, ~9 g/ml;
iron/steel, ~8 g/ml;
titanium, ~4.5 g/ml;
aluminum, 2.7 g/ml
My pieces of metal, measured with low accuracy via a letter-scale and glass measuring cup, seem to have a density of about 3 g/ml, so they are probably aluminum!
to determine the type of metal something is, you can measure its density... it's weight, and water-displacement.
lead, ~11 grams/milliliter (1 milliliter is also 1 cubic centimter);
copper, ~9 g/ml;
iron/steel, ~8 g/ml;
titanium, ~4.5 g/ml;
aluminum, 2.7 g/ml
My pieces of metal, measured with low accuracy via a letter-scale and glass measuring cup, seem to have a density of about 3 g/ml, so they are probably aluminum!
