mariskaLetrmcdongv mariskaLetrmcdongv
  • 01-12-2016
  • Chemistry
contestada

What's the atomic mass unit of helium?

Respuesta :

Аноним Аноним
  • 01-12-2016
4.002602 u ± 0.000002 u
Answer Link

Otras preguntas

please help with this two thank you
Veata has an account balance less than -75 dollars. Use the drop-down menus to complete the statements about Veata's account balance.
For the process 2SO2(g) + O2(g) Right arrow. 2SO3(g), Delta.S = –187.9 J/K and Delta.H = –198.4 kJ at 297.0 K are known. What is the entropy of this reaction? U
history: help me pleaseeeeee
Dr. Ruiz, a doctor from Spain, is conversing with the Bodega family about living a healthy life. He asks them various questions about their lifestyles, and to h
What is the Ka of a 0.0796 M solution of nitrous acid (HNO2) with a pH of 2.95?
The variable, y, varies directly with x. If y = 26 when x = 21, what is y when x = 64?
An ex policeman lost his house, car and girlfriend. What did he lose first?
What happens to the dirt and matrix from each grid? it is discarded as trash it is burned to avoid contamination of the site it is collected for further analysi
Finer Company uses a sales journal, purchases journal, cash receipts journal, cash payments journal, and general journal. Journalize the following transactions