blackstone1395 blackstone1395

15-04-2020
Chemistry

contestada

What is the chemical equation for the alpha decay of erbium-144

Respuesta :

Bladerunner1976 Bladerunner1976

15-04-2020

Answer:

Er-144 -------> Dy-140 + He-4

Explanation:

Alpha decay is the release of a hydrogen nucleus. So the original atom will decrease the mass by 4 and the atomic number by 2.

Answer Link

Otras preguntas

why did the spanish call drake a sea dog

The population of a city has increased by 35% since it was last measureday if the current population is 89,100 what was the previous population

50 is 20% of what number

4/7 times 3/9 answer

How do you solve (3+z)6+18z?

when Nala went to the boardwalk , she watched an artist painting a Self- portrait or a self portrait.

How far was Paris from the nearest central power?

Write a story problem to fit the calculation: 1 2/3 x 1/4. Explain why the calculation matches the story.

There are 13 books on a shelf. 8 of these books are new. (a) What is the ratio of all books to used books? (b) What is the ratio of used books to new books?

what is the distance between (5,10) and (5,2)?