Unit 2 Pt 2 Test Review 2024

Front

What type of bond is formed between Calcium (Ca) and Chlorine (Cl)?

Back

Ionic bond, because the electronegativity difference is greater than 1.7.

Front

What is a characteristic property of ionic compounds?

Back

They have a HIGH melting point.

Front

What is incorrect about the formula Ca2Br?

Back

The charges were not crisscrossed.

Front

What type of bond is formed between Nitrogen (N) and Selenium (Se)?

Back

Polar covalent bond, because the electronegativity difference is between 0.5 and 1.7.

Front

How many valence electrons does Astatine (At) have?

Back

7 valence electrons.

Front

Define ionic bond.

Back

A bond formed through the transfer of electrons from one atom to another, resulting in the attraction between oppositely charged ions.

Front

What is electronegativity?

Back

A measure of the tendency of an atom to attract a bonding pair of electrons.

Front

What is the significance of the electronegativity difference in determining bond type?

Back

It helps classify bonds as ionic (difference > 1.7), polar covalent (0.5 < difference < 1.7), or nonpolar covalent (difference < 0.5).

Front

What is a property of ionic compounds in solution?

Back

Ionic compounds conduct electricity when dissolved in water.

Front

What is the general formula for determining the charge of ions in ionic compounds?

Back

The charges of the ions must balance to create a neutral compound.