New York State Regents Examinations · Chemistry (Physical Setting)

Atomic Structure

Subatomic particles, atomic number, mass number, isotopes, atomic mass, electron configuration, and ground vs. excited states.

Curriculum standards

NYSED PS3.1b
NYSED PS3.1c
NYSED PS3.1d

Lessons in this topic

Subatomic Particles & the Atom
Isotopes & Atomic Mass
Electron Configuration: Shells, Ground State & Excited State

Full lesson text is available free once you create an account.

Practice Chemistry (Physical Setting) free on GraduateSmart

Create a free account to work through 30 practice questions with worked explanations, read the full lessons, take timed full-length practice exams, and track which topics you have mastered.

Create a free account Sign in

GraduateSmart is a nonprofit. Exam prep is free, with no ads.

GraduateSmart