kyanlongmore kyanlongmore

01-03-2021
Chemistry

contestada

What is the half-life of Technetium-99 if a 200 gram sample decays to 50 grams in 639,000 years?

Respuesta :

ssatoshi686 ssatoshi686

09-03-2021

Answer:

The half-life of Th-232 is 1.4 ∙ 10¹⁰ years.

Answer Link

Otras preguntas

Jose wants to purchase a bike that normally sells for $150. If the bike is on sale for 30% off, how much will he pay before tax?

The reign of alexander ii came to an end in 1881 when he __________. a. abdicated b. died from natural causes c. was assassinated d. was overthrown by a cou

which type of graph is used to compare parts of a whole? line graph, bar graph, or pie graph?

A patient has lost interest in all activities for at least two weeks and suffers insomnia, lack of energy, and guilt. which type of mood disorder exhibits these

⬆️. ⬆️ Answer the question Above

from 18 to 45 find each percent increase. round to the nearest percent.

order from least to greatest 2.8, -2 3/4, 3 1/8, -2.22

Adams was an accomplished patriot who was instrumental in establishing the United States and its government. However, many people believed that the Adams admini

What would 2.4E4 L if hydrogen gas weigh?

Which of the following is the correct notation for the complex number √-81-14