ChemistryWiki | RecentChanges | Preferences
topic for questions
History of atom - Dalton Atomic theory
- Electrolytes
# of subatomic particles and Mass number, Atomic number
Valence electrons
- Energy level, subenergy level, orbitals and number of valence electron for an atom (No complete Electron configurations
)
- LDS, Molecular geometry, Molecular Polarity, IMF from choices of chemical formulas
- Observations of a chemical reaction
Periodic trends
Chemical name to chemical formula and visa versa
Exo and endothermic reaction
- Difference between energy and temperature
- Kinetic Molecular theory (KMT)
- 4 basic principles (KMT, Conservation of Energy & Mass, Coulomb's Law)
- 3 basic particles (atom, ions, molecules)
- 3 ways atom hold together (covalent bond, "ionic bonds" (ions), and metallic bonds (metals))
- Using difference in electronegativity of two atoms to determine ways 2 atoms are held together
Observations
- Qualtative vs quantitative - defintions and how they are different
- Difference between accurate and precise and their definitions
- Significant Figures (sig fig)- definitions
- Your determine sig fig
- You determine how many sig fig from someone else number
- Math
Metric system and basic units
Energy, frequency, wavelength for energy emitted from electron movement in atom