Ionic Compounds and Ions

Flashcards covering the key concepts of metal and nonmetal ions, their charges, and the periodic table.

What type of ions do metals typically form?

Positive ions.

What charge do most nonmetals form?

Negative ions.

Which group in the periodic table does sodium belong to, and what ion does it form?

Sodium belongs to group one and forms a one plus ion.

What are the charges for the ions formed by magnesium and aluminium?

Magnesium forms a two plus ion, and aluminium forms a three plus ion.

What distinguishes transition metals in terms of ion formation?

Transition metals can form several different ions.

What are the charges of iron and copper ions?

Iron can form two plus (Fe2+) and three plus (Fe3+) ions; copper can form one plus (Cu+) and two plus (Cu2+) ions.

Which nonmetal ion forms the two minus ion and what group is it in?

The oxide ion (O2-) is in group six.

What ions do fluorine, chlorine, and bromine form?

They form one minus ions.

Which two nonmetal ions are notable for being positive?

The hydrogen ion (H+) and the ammonium ion (NH4+).

What is the formula for sodium sulfate?

Na2SO4.

What is the formula for calcium hydroxide?

Ca(OH)2.