Chapter 2: Problem 114
In what part of the atom does the strong nuclear force operate?
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Chapter 2: Problem 114
In what part of the atom does the strong nuclear force operate?
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Give the chemical names of each of the following familiar compounds:\((\mathbf{a})$$\mathrm{NaCl}(\) table salt \()\) \((\mathbf{b})$$\mathrm{NaHCO}_{3}\) (baking soda),\((\mathbf{c}) \mathrm{NaOCl}\) (in many branches)\((\mathbf{d})\) \(\mathrm{NaOH}(\) caustic soda \()\) \((\mathbf{e})\) \(\left(\mathrm{NH}_{4}\right)_{2} \mathrm{CO}_{3}(\) smelling salts \()$$(\mathbf{f})$$\mathrm{CaSO}_{4}\) (plaster of Paris).
(a) Define atomic number and mass number. (b) Which of these can vary without changing the identity of the element?
(a) Which two of the following are isotopes of the same element: \(\frac{31}{16} \mathrm{X}, \frac{31}{15} \mathrm{X}, \frac{32}{16} \mathrm{X}\) ? (b) What is the identity of the element whose isotopes you have selected?
Give the name or chemical formula, as appropriate, for each of the following binary molecular substances: \((\mathbf{a}) \mathrm{SF}_{6},(\mathbf{b}) \mathrm{IF}_{5}(\mathbf{c}) \mathrm{XeO}_{3} (\mathbf{d}) \text {dinitrogen tetroxide}, (\mathbf{e}) \text {hydrogen cyanide}, (\mathbf{f})\text{ tetraphosphorus hexasulfide.}\)
In a series of experiments, a chemist prepared three different compounds that contain only iodine and fluorine and determined the mass of each element in each compound:(a) Calculate the mass of fluorine per gram of iodine in each compound. (b) How do the numbers in part (a) support the atomic theory?
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