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:
Nitrous oxide, commonly known as laughing gas or nitrous, is a chemical compound, an oxide of nitrogen with the formula N ₂O. At room temperature, it is a colourless non-flammable gas, with a slight metallic scent and taste. At elevated temperatures, nitrous oxide is a powerful oxidiser similar to molecular oxygen.
Explanation:
The class of organic compound is most likely to be used in anesthetics is ethers. The first ether that is used in anesthetics is diethyl ether .
In general anesthetic works on brain, and produce unconsciousness and insensitivity to feel pain or anything. Generally it lowers the sensitivity of the organs. Diethyl ether is the first ether that is used as anesthetics.