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

5.39 repeating decimal as a mixed number

Which is an example of the bottleneck effect? Green beetles move to a new location and build a new colony there. Green beetles survive as birds don't see them

Should secret wiretapping be legal

How do u describe the structure of a cell

what is 8.5% written as a fraction in simplest form

A grocery store gives away a $10 gift card to every 25th customer and a $20 gift card to every 60th customer. Which customer will be the first to receive both

Translate the phrase into a math expression. 30 added to a number that is decreased by 5 a. n – 5 + 30 b. 30 – n – 5 c. 30 + 5 – n d. 30 + (n ÷ 5)

In the body of cells of most organisms oxygen is used to release what ?

Your middle school has 900 students one third of the students bring their lunch instead of buying your lunch at school what is the value of the ratio of the num

How many atoms lined up side by side would equal the thickness of a book page?