Unit 2, Flashcard 2 (Ionic Compounds)

Front

What does a charge of 2+ indicate about an atom?

Back

It indicates that the atom is losing 2 electrons.

Front

What is the tendency of metals in terms of electron behavior?

Back

Metals tend to lose electrons.

Front

What is the correct chemical formula for lithium oxide?

Back

Li₂O

Front

What is the name of the compound PbS₂?

Back

Lead IV sulfide.

Front

What is the chemical formula for iron (III) bromide?

Back

FeBr₃

Front

Define ionic compound.

Back

An ionic compound is formed when atoms transfer electrons, resulting in the attraction between positively and negatively charged ions.

Front

What is the charge of a sodium ion (Na+)?

Back

The charge of a sodium ion is +1.

Front

What is the charge of a chloride ion (Cl-)?

Back

The charge of a chloride ion is -1.

Front

How do you determine the formula for an ionic compound?

Back

Combine the symbols of the ions, adjusting the subscripts to balance the total positive and negative charges.

Front

What is the significance of subscripts in a chemical formula?

Back

Subscripts indicate the number of atoms of each element in a compound.