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

Why do you think there are fewer heart transplants performed each year than kidney transplants?

what needs to be fixed ? commas , etc . kids please play more quietly. under the rock in the garden lay a small snake.

In October 2012, one US dollar could buy about _______ Canadian dollars. A. 0.88 B. 0.98 C. 1.08 The exchange rate remained unchanged from ________ A. Oct. 2012

who led the communist to victory in the 1949 Chinese civil war

Olly drank 1/2 of a 16 fluid ounce bottle of juice how many cups of juice are left in the bottle explain

How does a person become a U.S. citizen according to the rule of jus soli? GRADPOINT

What feature does not apply to the nervous system in comparison to the endocrine system?

A bag contains 5 blue marbles, 3 red marbles, and 2 yellow marbles. You select a marble at random. What is P(yellow) ?

A reasonable right to privacy can be expected if

Use the verbs in the word bank to complete the sentences. Remember that you will need to put the verb in the correct form. Watch out for irregulars and stem cha