Get clear, concise, and accurate answers to your questions on IDNLearn.com. Get thorough and trustworthy answers to your queries from our extensive network of knowledgeable professionals.

In Chemistry, In the following type of shorthand, what does the number next to the element name mean? Hydrogen-3


Sagot :

the number is the mass number

the mass number is the number of nucleons (total number of protons and neautrons in the nucleus) so in hydrogen-3 there are 3 nucleons and as hydrogen has 1 proton, there are 2 neutrons

carbon 12 has 12 nucleons (6 protons and 6 neutrons) and carbn 13 has 13 nucleons (6 protons and 7 neutrons)