General Chemistry - The Periodic Table

8 important questions on General Chemistry - The Periodic Table

Effective nuclear charge, Zeff

Zeff = the positive charge from the nucleus felt by an electron
  • As more H+ added, electrons feel greater Zeff and become more tightly bound
  • As # filled energy levels increase, electrons become less tightly bound
  • Increase → , Increase ↑

Naming of ions ous/ic

ous = lesser charge
ic = greater charge

Naming of ions - ide

ide = monatomic ions
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Naming of ions - hypo-, per-, -ite, -ate

Less charge ----> greater charge
hypo__ite, __ite, __ate, per__ate

Naming of ions with multiple H+s

One H+ is hydrogen ____ OR bi___
ex: HCO3 = hydrogen carbonate or bicarbonate

Multiple H+ is Dihydrogen___

Ion charges of metals and nonmetals

Metals = + ions
Nonmetals = -ion

Hydrogen as a chemical group

Does not fit into any other group, resembles both alkali metals and halogens

Alkaline earth metals

Group IIA
  • Possess many metallic properties
  • 2 electrons in outer most shell
  • valence electrons not held very tightly so readily forms 2+ cation
  • Low electronegativity, positive electron affinity

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