Chapter 6-7 Review

Definitions

100

loses electrons

cation

200

gains electrons

anion

300

negatively charged atom

anion

400

positively charged ion

cation

500

group of atoms of different elements that has a positive or negative charge

polyatomic ion

Periodic Table

100

name of group 18

noble gases

200

name of group 2

alkaline earth metals

300

typically forms cations

metals

400

group name that forms +1 ions

alkali metals

500

name of group with 7 valence electrons

halogens

Periodic Trends

100

Largest radius: Mg or P

Mg

200

Lowest ionization energy: Ca or Be

Ca

300

Highest electronegativity: As or Br

Br

400

Largest Ionic Radius: I^-1 or Ba⁺²

I^-1

500

Highest ionization energy: Rb⁺¹ or Rb⁺²

Rb⁺²

Naming Ionic Compounds

100

KF

potassium fluoride

200

Ca₃P₂

calcium phosphide

300

Cs₂SO₄

cesium sulfate

400

*Mn₂(CO₃)₅

manganese (V) carbonate

500

*Ni(Cr₂O₇)₂

nickel (IV) dichromate

Writing Ionic Formulas

100

sodium sulfide

Na₂S

200

aluminum selenide

Al₂Se₃

300

chromium (III) iodide

CrI₃

400

manganese (VII) phosphate

Mn₃(PO₄)₇

500

titanium (IV) oxalate

Ti(C₂O₄)₂