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

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

Find the LCM of 9 and 12.

which statement describes a similarity between the roman catholic church and the eastern orthodox churches?

Which answer choice has no errors in punctuation or capitalization? A. Stuart said. "My father thinks that I should not handle power tools until I am older". B

simplify. 3/3-n - n/n-3

Find the difference using fraction bars or a paper and pencil. Write your answer in simplest form. 11/12 - 3/4

My teacher doesn't explain she just gives you the paper and I don't get this. I NEED ANSWER ASAP

Solve mathematics question, please:) Unanswered re-asked question.

A system of equations can be written to represent coin and pricing problems. True or False.

Blank divided by 9 equals 6

Jana finished 1/4 of her homework at school and 5/7 of it before dinner. Which of the following statements is true? She has a lot of homework left to finish. S