shaydog8953 shaydog8953

13-05-2022
Chemistry

contestada

Fluorine-21 has a half-life of approximately 5 seconds. what percentage of the original nuclei would remain after 15 seconds

Respuesta :

jsimpson11000 jsimpson11000

23-05-2022

Answer:

1/8th = 12.5%

Explanation:

Three half lives would be 1/2 * 1/2 * 1/2 = 1/8 th of original

Answer Link

Otras preguntas

If you have (4-9x)+23/9 what is the value of x A 17 B 23 C 5 D 2

Service by Edgar A. Guest I have no wealth of gold to give away, But I can pledge to worthy causes these: I'll give my strength, my days and hours of ease,

Being a mason requires a five-year apprenticeship, a program that requires trainees to work for an experienced mason in order to learn the trade. A. True B. Fal

The development of a new experimental method is most likely to change a theory if it makes it possible to analyze samples when they are frozen. perform the expe

Find the circumference of a circle that has a diameter of 2 ft. Use 3.14 for pi. 5.14 ft 6.28 ft 12.56 ft 7.14 ft

A client is postoperative immediately following a total laryngectomy. the client's respirations are 32 breaths/minute, shallow, and noisy. the tracheostomy pad

Without generalizing, inductive reasoning is not possible.

What were two goals of European imperialists

Verbal and nonverbal responses to the speaker are referred to as.

If you wanted to reduce the resistance in a circuit, what should you do? A. increase the length of the wire B. replace a steel wire with a copper wire C. replac