deysifajardo2155 deysifajardo2155

06-01-2018
Chemistry

contestada

Potassium-40 (40k) is a radioactive isotope of potassium (atomic number 19). how many neutrons are located in the nucleus of potassium-40?

Respuesta :

Аноним Аноним

07-01-2018

Number of neutrons = mass number - atomic number = 40 - 19 = 21 answer

Answer Link

Otras preguntas

Anesthesia is induced rapidly in what species?a. catsc. dogsb. horsesd. pigs

In most circumstances, why is a one-carat diamond (0.2 grams) much more expensive than one gallon of bottled water (3,785 grams)?

What do you add to 4 wholes and 5/8 to make 6

For patients aged 81 to 90, the probability is .07 that a coronary bypass patient will die soon after the surgery. (a) What is the expected number of operations

What are two characteristics of the application layer of the TCP/IP model?

Question content area top Part 1 Use the savings plan formula to answer the following question. At age 44, you start saving for retirement. If your investment

In Arena, it's perfectly OK to have a CREATE module generating one-at-a-time customer arrivals, while also having a different CREATE module with 4-at-a-time cus

2. How does Lady Macbeth respond to his “fit”?

How did Ivan's parents decide to name him?

How cross night study could be the detrimental when preparing for national senior certificate examinatio ns