Unit 4A Flashcard

Front

What is an ionic compound?

Back

An ionic compound is a chemical compound composed of ions held together by electrostatic forces termed ionic bonding. They typically form between metals and nonmetals.

Front

Which formula represents an ionic compound?

Back

BaI₂ is an ionic compound because it consists of barium (a metal) and iodine (a nonmetal).

Front

What is the chemical formula for chromium (II) chloride?

Back

The correct formula is CrCl₂.

Front

What is the name of the ionic compound BaCl₂?

Back

The name of BaCl₂ is Barium chloride.

Front

What is the correct formula for nitrogen trioxide?

Back

The correct formula for nitrogen trioxide is NO₃.

Front

Which compound contains the lead(II) ion?

Back

PbO contains the lead(II) ion.

Front

How do you determine if a compound is ionic?

Back

A compound is ionic if it is formed from the transfer of electrons from a metal to a nonmetal, resulting in the formation of positive and negative ions.

Front

What is the significance of Roman numerals in naming ionic compounds?

Back

Roman numerals indicate the oxidation state of the metal in the compound, which is important for metals that can have multiple charges.

Front

What is the difference between ionic and covalent compounds?

Back

Ionic compounds are formed by the transfer of electrons and consist of ions, while covalent compounds are formed by the sharing of electrons between atoms.

Front

What is the formula for lead(II) chloride?

Back

The formula for lead(II) chloride is PbCl₂.