Chemistry of Seawater and Bonds

Front

What is the chemical formula for sodium chloride, a key ionic compound found in seawater?

Back

NaCl

Front

Calcium carbonate (CaCO3) is a vital compound for marine organisms. What type of bond holds the calcium and carbonate ions together?

Back

Ionic bond

Front

What is the correct chemical formula for magnesium sulfate?

Back

MgSO4

Front

In a water molecule (H2O), the bond between hydrogen and oxygen atoms is a result of the sharing of electrons. What type of bond is this?

Back

Covalent bond

Front

When a substance like sodium chloride (NaCl) dissolves in water, how do the water molecules interact with the chloride ions (Cl−)?

Back

The partially positive hydrogen ends of the water molecules surround the chloride ions.

Front

What is the primary reason why water molecules are polar?

Back

The unequal sharing of electrons between the highly electronegative oxygen atom and the hydrogen atoms.

Front

Ocean salinity is the concentration of dissolved salts. What type of bond is broken when these salts dissolve in water?

Back

Ionic bonds

Front

Water's ability to act as a solvent for ionic compounds is a result of which type of bond forming between the water molecules and the ions?

Back

Hydrogen bonds