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 many different four-person committees can be formed from a group of six boys and four girls ?

Create a story context for 1/2 divided by 1/3

which countries has the most landmass in Asia? Ukraine Belarus Russia Poland

Rate of Change- A scuba diver is 30 feet below the surface of the water 10 seconds after he entered the water and 100 feet below the surface after 40 seconds.

what terms describes an atom's tendency to hold onto electrons

Simplify the expression below 5+3*2-4^2*|-2| A) 43 B) 48 C)-16 D)-21

The difference between two numbers is 3.2. The sum of the numbers is 46.4. What could the two numbers be?

Who was William the Conqueror? A. the head of the army that defended England against the Norman invasion B. the king who saved France from conquest by the Engli

. Determine whether the polynomial is a perfect square and if it is, factor it. n^2 – 9n + 9 is not a perfect square is a perfect square: (n + 3)^

joshua drinks 8 cups of water a day. The recommened daily amount is given in fluid ounces. How many fluid ounces of water does he drink each day?