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

¿Haces las maletas? A. sí, la hago B. Sí , la haces C. Sí, las haces D. Sí, las hago

identify the region held by Britain that helped it control the shortest route from Europe to Asia.

the diagram shows two triangles, A and B. The area of triangle B is 3 times the area of triangle A. Given that b>4, find an expression for a in terms of b

After the discussion, what does the author of "On Writing Well" feel the students have learned about writing? O A. That everyone writes differently and there i

Simplify the given expression. Assume that no variable equals 0. (14x20y10 / 28x12y14)4

Help me please! Follow the attachment !

Quadrilateral WXYZ is on a coordinate plane. Segment YZ is on the line x+y=7, and segment XW is on the line x+y=3. Which statement proves how segments YZ and XW

HELPPPPPPP!!!!!!!!!!!!!!!! A ball is thrown from an initial height of 2 meters with an initial upward velocity of 11 m/s. The ball's height h (in meters) after

Which values for h and k are used to write the function f(x) = x^2 + 12x + 6 in vertex form? h=6, k=36 h=-6, k=-36 h=6, k=30 h=-6, k=-30

answer these question with full step