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

Help me with this question please I’ll mark brainliest

Sue ran 27 miles before she blistered her heel, and then she walked 1 additional mile. Her running speed was 18 times as fast as her walking speed. She was ru

discovered America

yd it in8 10 15+2 3 5

Select the correct answer.The equation of a line is y = 1.5x − 2. What are its slope and y-intercept?A. slope = 1.5 and y-intercept = -2B. slope = 1.5 and y-int

A boy buys a comic costing 78c and a pencil costings 18c .he pays with a $2 note .how much change does he get ?(approximate your answer to the nearest whole num

12y(5y-7)(4y+9)=0 please show step by step to solve

1) through: (5,-5), slope - 5

HELP IM BEING TIMED EEEE Read the following sentence. Though some may have described the sound of the bagpipes as beautiful, to Grandpa it sounded like a loud r

What are some issues that you could email a governor about? Give reasons as to how you think this issues could be resolved and recommend a course of action. If