Ionic vs. Covalent

Front

What type of bond is formed between beryllium and sulfur?

Back

Ionic bond.

Front

Ionic bonds form between metals and what type of elements?

Back

Nonmetals.

Front

What type of bond is represented by the molecule CO2?

Back

Covalent bond.

Front

Why do all chemical bonds form?

Back

To fill the outermost energy level.

Front

If an atom has 3 valence electrons and wants a full shell, what is more likely to occur: gain 5 electrons or lose 3?

Back

Lose 3 electrons.

Front

Define ionic bond.

Back

A bond formed by the transfer of electrons from one atom to another, typically between a metal and a nonmetal.

Front

Define covalent bond.

Back

A bond formed by the sharing of electrons between two nonmetals.

Front

What is the main characteristic of ionic compounds?

Back

They typically form crystalline structures and have high melting and boiling points.

Front

What is the main characteristic of covalent compounds?

Back

They usually have lower melting and boiling points compared to ionic compounds.

Front

Give an example of an ionic compound.

Back

Sodium chloride (NaCl).