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

Well help? 1a. List some of the technological innovations. 1b. What affect did they have on the people? 1c. Who benefited? (I got 2 more rows after these questi

Which of the following quotes reveals that the experience shown in the image was probably rare after the Civil War? "My husband rents a little piece of land an

Five guarantees of the First Amendment include: freedom of the press freedom of speech freedom of religion the right of the people to peaceably assemble the rig

How is the cell cycle important to some unicellular organisms?

what is a 5% increase from $79?

Find all complex solutions of the equation x^4 + x^2 - 6 = 0

The perimeter of the rectangular shaped building is 960 feet. The shortest side of the building is 150 feet. What is the length of one of the longest sides of t

James has a board that is 3/4 foot long. He wants to cut the board into pieces that are each 1/8 foot long. How many pieces can James cut from the board?

what is a 5% increase from $79?

How did Rome's conquest change the Roman army?