slatt29 slatt29

18-10-2020
Chemistry

contestada

An element has three isotopes: St-284 (34.60%), St-285 (21.20%), and St-288 (44.20%). What is its average atomic mass?

Respuesta :

27-10-2020

Answer: I believe that it’ll be 284.45

Explanation:

May have to double check but I’m pretty sure that’s correct sorry if it’s not

Answer Link

Otras preguntas

Rita and her friend Tanya are going to the concert Friday, although she hates rap.

How are men and woman related to the early Greek dramas?

Jason ate 2/12 of a pizza Kara ate 4/12 of the same pizza how much more of the pizza did Kara eat than Jason? What type of comparison is shown in the question a

Lisa and jose are discussing marketing. Lisa says that her clinic will hire an advertising firm to develop the internal marketing for the clinic. jose says the

How to properly clean up spills

What natural resources are pumped from the ocean

Examine the number line and select all the statements that are true

What three components make up the health triangle

Describe how you could calculate the actual temperature from the anomaly?

Select the tips you should follow when creating a newsletter. 1)Proofread 2)Correct all mistakes 3)Know your audience 4)Carefully select fonts 5)Use long de