Question

What is the chemical name of the compound Na2CO3? Use the list of polyatomic ions and the periodic table to help you answer.

Answer 1

Answer:

I believe the answer is B. Sodium carbonate

Answer 2

Answer : The correct option is, (B) Sodium carbonate

Explanation :

$Na_2CO_3$ It is an ionic compound because sodium element is a metal and carbonate ion is polyatomic ion. When the metal element combine with the polyatomic ion they form ionic compound.

$CO_3^{2-}$ = carbonate ion

While naming of ionic compounds, we write cation first then anion. Here anion is a polyatomic ion. So, the name of the compound is, sodium carbonate.

Hence, the correct option is, (B) Sodium carbonate