Chemistry (Grades 9–12) Subtest 1

Subarea II. Matter and Atomic Structure

0004

Understand atomic theory.

demonstrating knowledge of the principles of quantum mechanics
using the principles of quantum mechanics to analyze chemical systems
analyzing electron configurations, orbital notations and diagrams, and Lewis dot symbols

0005

Understand the organization of the periodic table.

predicting periodic trends within periods and groups of the periodic table
explaining periodic trends in atomic radius, ionization energy, electronegativity, and electron affinity based on the order in which electrons fill orbitals
inferring physical and chemical properties of elements based on their positions in the periodic table

0006

Understand the processes of nuclear transformations.

analyzing the changes in matter and energy that occur in radioactive decay, fission, fusion, and artificial transmutation
relating neutron-to-proton ratios to nuclear stability
solving problems involving nuclear binding energy and the half-life of radioactive particles