Question

what is the atomic mass of sodium (na)?
a. 24.31 g/mol
b. 18.02 g/mol
c. 22.99 g/mol
d. 12.00 g/mol

Explanation:

The atomic mass of an element is a fundamental property. Sodium (Na) has an atomic mass of approximately 22.99 g/mol. This value is obtained from the periodic table of elements, which lists the atomic masses of all elements.

Answer:

C. 22.99 g/mol