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 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

look at the image below
Paige earns a 5% commission on all appliance sales plus a base salary of $500 a week. Paige wants to earn $2,500 this week. Paige needs to make _____ in applian
A certain box has a width that is 2 inches more than its length and a height that is 5 inches less than its length. If each of the two smallest faces of the box
please help me in solving this​
Select the item that uses correct grammar, punctuation, and connecting words. Students overlooking the errors they have made, and cause them to receive lower gr
quản lý chuỗi cung ứng đóng vai trò quan trọng như thế nào đối với quản lý doanh nghiệp
PLS HELP ME ON THIS QUESTION I WILL MARK YOU AS BRAINLIEST IF YOU KNOW THE ANSWER!!
PLS HELP ME ON THIS QUESTION I WILL MARK YOU AS BRAINLIEST!!
What is the measure of ∠EFG in the triangle shown? options: A) 59° B) 58° C) 56° D) 57°
PLS HELP ON THIS QUESTION I WILL MARK YOU AS BRAINLIEST!! Mary wants to get spray foam insulation in her attic space. Shown here is a diagram of her attic - is