You look at the atomic mass.. The number of neutrons is different for different individual atoms of the same element, each atom is also known an isotope. Looking at a periodic table, the atomic mass listed is the average atomic mass for all isotopes of that element found in nature.
Answer:
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Explanation:
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Answer:
A glass bottle kept inside the container has sulphuric acid in it. When the knob of the extinguisher is pressed, the bottle breaks. The acid comes in contact with sodium carbonate and carbon dioxide is produced. The carbon dioxide comes out through the nozzle which is directed towards the fire.
