connor497065 connor497065
  • 02-06-2022
  • Chemistry
contestada

The parent element 42 19 K decays by beta decay. Which daughter element will
form?
O A. Ca
OB. 1 Ar
O C. C
OD. K

Respuesta :

Medunno13
Medunno13 Medunno13
  • 12-06-2022

Answer: A

Explanation:

This means that the atomic number decreases by 1 but the mass remains constant, meaning the atomic number of the new element is 20. This corresponds to calcium.

Answer Link

Otras preguntas

Which is an accurate description of Giovanni Caboto, also known as John Cabot? A. the author many scholars suspect wrote most of Shakespeare's plays B. the Fren
For the first 11 years of its existence, which governmental system did the United States use? a. monarchy b. confederation c. federation d. theocracy
What are the factors that are tested by being varied by the experimenter?
What underlying theme do the four molecular techniques share?
Marie Curie is mostly famous for her work in A. the field of radioactivity. B. the theory of evolution. C. the theory of relativity. D. the field of electromagn
number that best completes sequence 3 9 4 5 25 20 21 441
How does an energy pyramid help to describe energy flow in a food web
What was the major reason for Napoleon's defeat during his invasion of Russia in 1812? an advanced Russian military superior Russian troops a natural disaster t
what was Hollywood and society's response to McCarthyism
I need help with a critical lens essay using the literary device of "ignorance is never better than knowledge