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Chapter 2: Problem 43
What are the symbols of the following metals: sodium, radium, iron, gold, manganese, lead.
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Heat is applied to an ice cube in a closed container until only steam is present. Draw a representation of this process, assuming you can see it at an extremely high level of magnification. What happens to the size of the molecules? What happens to the total mass of the sample?
Explain the law of conservation of mass, the law of definite proportion, and the law of multiple proportions.
Name each of the following compounds: a. CuI f. \(\mathrm{S}_{4} \mathrm{~N}_{4}\) b. \(\mathrm{CuI}_{2}\) g. \(\mathrm{SF}_{4}\) c. CoI \(_{2}\) h. \(\mathrm{NaOCl}\) d. \(\mathrm{Na}_{2} \mathrm{CO}_{3}\) i. \(\mathrm{BaCrO}_{4}\) e. \(\mathrm{NaHCO}_{3}\) j. \(\mathrm{NH}_{4} \mathrm{NO}_{3}\)
Dalton assumed that all atoms of the same element were identical in all their properties. Explain why this assumption is not valid.
From the information in this chapter on the mass of the proton, the mass of the electron, and the sizes of the nucleus and the atom, calculate the densities of a hydrogen nucleus and a hydrogen atom.
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