Review for District Assessment I -H

 

 

Investigation I 

 

Introduction: Chemistry. Branches of chemistry. Basic research, applied research, technological development. 

Physical, chemical properties. Intensive, extensive property. Liquid, solid, gas, plasma. Law of conservation of mass. 

 

Experience 1.

Atoms.  Protons, neutrons, electrons, nucleus. How to determine the numbers of protons, neutrons, and electrons?

Element, chemical symbol, atomic number,  mass number. Isotopes. Average atomic mass of isotopes. 

Periodic table. Blocks of the periodic table. 

 

Experience 2.

Atomic emission spectra. 

Electromagnetic radiation, electromagnetic spectrum, wavelength, frequency, photoelectric effect, quantum, photon, ground state, excited state, energy. 

The Bohr Model, energy levels, quantum, ground state, excited state, inner shells, outer shell. 

 

Experience 3.

Dalton atomic theory. Modern Atomic theory.

Atomic theory timeline (Dalton, Democritus, Thomson, Millikan, Rutherford, Bohr)

Quantum mechanical model, atomic orbital, electron location, quantum numbers. 

Shell Model: energy levels, subshells, number of electrons. 

 

Experience 4.

Electron configuration, Aufbau principle, Pauli exclusion principle, Hund’s  rule, noble gas, noble gas configuration. S, p, d, f  orbitals. Filling orbitals. Octet number.

Energy and stability in electron configuration. 

Patterns in electron configuration. Exceptions to electron configuration rules. 

Noble gas configuration. 

Valence electrons. Electron dot structure. 

 

Math Skills 

Qualitative, quantitative observations. 

Units of measurement. Density. Conversions factors. 

Significant figures. 

Scientific notation.