There’s no pic for me to awnser your question
the compound is B.
Water is a compound because it is made up of water molecules.
Answer:
Because it keeps track of all the elements
Yes, anything with carbonate, hydrogen carbonate (bicarbonate) at the end is a carbonate.
Examples:NaHCO3 (Sodium hydrogen carbonate or Sodium bicarbonate)Na2CO3 (Sodium carbonate)