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

How do you do number 25? At the bottom.

What’s the answer to this question

Which branch of the government is usually made up of two houses the senate and the house of representative’sWhich branch of the government is usually made up of

Explain how the influence and reach of the newly reformed Ku Klux Klan differed from its 1866 iteration; why were these racist ideas experiencing a resurgence t

Why are enzymes necessary? to the rate of decomposition to act as a catalyst in chemical reactions to conserve the stored energy of a cell

what is 3 / 100 of percentage

Which of the following governments did not rule Texas at some point? a. The Confederate States of America d. The Republic of Texas b. Portugal e. Both A and B c

You bought a magazine for $5 and some notepads for $4 each. You spent a total of $24. What is the most amount of notepads you can buy? Answer this as an inequa

Which words bestbhelp the reader understand the tone of the play conclusion

Help !!!!! What were the causes and results of the French Revolution?