Help make Alexa smarter on Alexa Answers. Sign in with Amazon

Science

What is a u. stand for on the periodic table?


The u stands for unit. The number is called the mass number of the atom and is equal to the number of nucleons in the atom. for example Oxygen has a mass number of 16, because it has 8 protons and 8 neutrons.

{{ relativeTimeResolver(1570427249087) }}

LIVE
Points points 18
Rating

Similar Questions
Sign in to view all similar questions

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE