ianbmx841 ianbmx841
  • 10-02-2022
  • Chemistry
contestada

What is the mass number for an atom of barium containing 56 protons and 82 neutrons?.

Respuesta :

megumihayashi0624200
megumihayashi0624200 megumihayashi0624200
  • 10-02-2022
Answer: 138

Explanation: mass number - protons (atomic number) = neutrons
Answer Link

Otras preguntas

why are lungs divided into very small sac like structures
hydrogen is found primarily as two isotopes in nature: (1.0078u) and (2.0140u). Caluclate the percentage abundance of each isotope based on hydrogens average at
is potential difference is same in parallel series
what does the path of an object look like when it is in uniform motion ?
how is the resistor of a 40v lamp higher then the resistor of a 60v lamp?
MATCH THE FUNCTION WITH ITS VALUE.g(x)= 2X2-1.g(w^3)=.......
with the help of a reaction show that zinc is more reactive than iron.
how do you find the ratio of a fraction
define circular motion and give some examples.
how do you find the ratio of a fraction