EXPLANATION
GS15. What is the chemical formula for table salt?
a) NaCl
b) H2O
c) CO2
d) C6H12O6
ANSWER: a) NaCl
EXPLANATION:
The chemical formula for table salt is a) NaCl.
Table salt is a compound of sodium and chlorine. Sodium has an atomic number of 11, and chlorine has an atomic number of 17. When these two elements combine, they form a compound with the chemical formula NaCl. The "Na" represents the sodium atom, and the "Cl" represents the chlorine atom.
The other options are incorrect.
Option b) is the chemical formula for water.
Option c) is the chemical formula for carbon dioxide.
Option d) is the chemical formula for glucose.
