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

The graph shows the relationship it’s between the number of hours Kaylee works and amount of money she earns which statement describes the pattern of the value
Evaluate the expression for the given values. 4ab8c, where a = 8, b = 4, and ​c=12​ Enter your answer in the box. plz halp
Use synthetic division to find the remainder if polynomial P(x) = x3 - 28x - 48 is divided by x + 4. O A) 1 B) 2 O C) 3 D) o
7. What is the difference between cognitive insanity and volitional insanity?​
The structures common to all protozoa are?
pls help asap no trolls!!
for every 1 book harry reads, Emily reads 3. the table shows the ratio 1:3 and two equivalent ratios. which graph shows the correct way to plot ratios of harry'
What is the equation of the line that passes through the points (-3, -2) and (1, 6)?
deuce the first equation of motion by mathematical method​
The ratio of the number of boys to the number of girls at a school is 4:5. If there are 120 boys, how many students are there altogether?