CynthiaMarie CynthiaMarie
  • 10-05-2015
  • Biology
contestada

How many do you find out what a particle count is for Barium- 137 ?

Respuesta :

lulu1991
lulu1991 lulu1991
  • 10-05-2015
First, you need to know the proton number of the particle is 56. And the molar mass is 137. So the neutron number is 81. Then the particle will be Barium-137. The neutron number is important because the barium has many isotopes which all have the same proton number.
Answer Link

Otras preguntas

The base of a lampshade is in the shape of a circle and has a diameter of 13 cm. What is the circumference, to the nearest tenth of an cm, of the base of th
The position of a place north or south of the equator is measured in ?
Why do geographers study human systems and human environment relationships?
Find the difference. 7 7/8 - 3 1/4 ?
A company used about 7.4 × 105 sheets of paper in a month. Of the paper used during the month, the accounting department used about 8.9 × 103 of the sheets. Abo
What is the name of the biome in which you can encounter an elephant (in natural environment of course)
How is momentum similar to inertia? Explain.
Why do many different types of proteins exist even though there are a limited number of amino acids
Waves A and B have the same speed, but wave A has a shorter wavelength. Which wave has the higher frequency?
The variables x and y are inversely proportional, and y=2 when x=3. What is the value of y when x=9?