ester07jm ester07jm

12-10-2022
Chemistry

contestada

Rubidium has two common isotopes, 85Rb and 87Rb. If a 1000 atom pile of Rubidium
has 722 atoms of Rubidium-85 and 278 atoms of Rubidium-87, what is the atomic mass
of Rubidium?

Respuesta :

Otras preguntas

If 18 of the 45 students in the band play woodwind instruments , what percent of the students do not play woodwind instruments ?

60 points ( don't ask why I put it as 60 points but ya) what is the difference between sympathy and empathy?

Which early West African trade empire grew rich on its abundance of gold and the skill of its ironworkers? A. Ghana Empire B. Benin Empire C. Mali Emp

I don't get please help me

What is -5 to the power of -2

How to convert oz to liters

List and define the five levels of organization in Ecology

Which of the following is not associated with the alphanumeric outline? A. Roman numerals B. complete sentences C. capitalized letters D. Arabic numerals

Rupert told you yesterday that he has ordered some steroids to help him improve on the football field. You are trying to talk him out of taking them, but he say

True or false, Overall, stress can be one of the biggest threates to a healthy relationship