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Day 76 - Chemistry

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Vocabulary of the day

átomo (atom)


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molécula (molecule)


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Elemento (element)


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Composto (compound)


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reação (reaction)


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químico (chemical)


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Tabela periódica (periodic table)


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solução (solution)


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ácido (acid)


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base (base)


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pH (pH)


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gás (gas)


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líquido (liquid)


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sólido (solid)


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misturar (mix)


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dissolver (dissolve)


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concentração (concentration)


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massa (mass)


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volume (volume)


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densidade (density)


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temperatura (temperature)


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experimento (experiment)


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laboratório (laboratory)


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Tubo de ensaio (test tube)


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Béquer (beaker)


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frasco (flask)


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balança (balance)


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medir (measure)


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óculos de segurança (safety goggles)


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luvas de proteção (protective gloves)


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Aquecimento (heating)


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resfriamento (cooling)


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propriedades (properties)


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ligação (bond)


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iônico (ionic)


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covalente (covalent)


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metal (metal)


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não metal (nonmetal)


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Reatividade (reactivity)


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Elétrons de valência (valence electrons)


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isótopo (isotope)


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Radioatividade (radioactivity)


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precipitado (precipitate)


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catalisador (catalyst)


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enzima (enzyme)


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teoria (theory)


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hipótese (hypothesis)


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Conclusão (conclusion)


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observação (observation)


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