keyeeef7759 keyeeef7759
  • 24-10-2022
  • Chemistry
contestada

element x has two naturally occurring isotopes. if 72% of the atoms have a mass of 85 amu and 28% of the atoms have a mass of 87 amu, what is the atomic mass of element x?

Respuesta :

Otras preguntas

What is the answer for -7g+3-8-3g+7h
Write an equation in point-slope form that passes through the points (2, 4) and (-3, -6).
8. According to the video, did the researchers find support for the Critical Period Hypothesis? Why or why not?
20. Two resistances, one 62 and the other 88 are connected in parallel. The resistors are then connected to a 12-V battery. a. What is the equivalent resistance
Please help…. I don’t get any of this :(
need help on a creative paragraph on the effects of the great awakening!!
Qlqun pourrait m’aider svp
Eric is doing measurements to build a quote for a residential heating system installation. He's discovered amount x of heat loss from ventilation and amount y f
Directions: solve for x round to the nearest tenth
how can a person's thinking and behavior be affected when they are infatuated with someone? A. you see only there good qualities and none of there flaws. B. you