From The Chemistry Book
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Practice Questions
Standard 1
- Introduction to matter
- Identify physical properties and changes
- Distinguish intensive and extensive properties
- Compare the three states of matter
- Classify matter as a substance or a mixture
- Distinguish between homogeneous and heterogeneous
- Describe two ways components of mixtures can be separated
- Explain the difference between an element and a compound
- Identify the chemical symbols of elements, and name elements, given their symbols
- The Atom
- Describe Democritus’s ideas about atoms
- Explain Dalton’s atomic theory
- Describe the size of an atom
- Describe J. J. Thomson’s model of the atom
- Identify three types of subatomic particles
- Describe the structure of atoms according to the Rutherford model
- Explain how isotopes differ from one another
- Use the atomic number and mass number of an element to find the numbers of protons, electric, and neutrons
- Calculate the atomic mass of an element from isotope data
- Identify inadequacies on the Rutherford atomic model
- Identify the new assumption in the Bohr model of the atom
- Describe the energies and positions of electrons according to the quantum mechanical model
- Describe how the shapes of orbitals at different sublevels vary
- Describe how to write the electron configuration for an atom
- Explain why the actual electron configurations for some elements differ from those predicted by the Aufbau principle
- Describe the relationship between the wavelength and frequency of light
- Explain how the frequencies of light are related to changes in electron energies
- Distinguish between quantum mechanics and classical mechanics
- Identify the cause of the atomic emission spectrum
- The Periodic Table
- Explain how elements are organized in a periodic table
- Compare early and modern periodic tables
- Identify three classes of elements
- Describe the information in a periodic table
- Classify elements based on electron configuration
- Distinguish representative elements and transition metals
- Describe trends among elements for atomic size
- Explain how ions form
- Describe and explain periodic trends for first ionization energy, ionic size, and electronegativity
Standard 11
- Nuclear Chemistry
- Explain how an unstable nucleus releases energy
- Describe the three main types of nuclear radiation
- Describe the type of decay a radioisotope undergoes
- Make calculations that involve half-life
- Explain the two ways transmutations can occur
- Describe what happens in a nuclear chain reaction
- Explain the role of water in the storage of spent fuel rods
- Compare and contrast fission and fusion reactions
- Describe three devices that are used to detect radiation
- List examples of how radioisotopes are used in medicine




