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

Justine’s classmate David is writing a paper that claims hurricanes can cause more damage than tornadoes. He made a list of the following facts about hurricanes

Which word best describes the tone of a speech rather than its style? A. somber B. informal C. rhythmic D. uniform

The Indian population was dying, so the Spanairds decided to bring slaves from: Africa Spain India

Helppppppp ion know how to do this

An English essay must have more than 250 words. Marco's essay has 172 words. How many more words does he need to write ?

How does the amount of daylight during the summer solstice (June 21) compare to that on the winter solstice (December 21)?

What is the difference between narrative and style?.

What do ribosomes and chloroplasts have in common?.

research needed, some easy points :) A summary about your insect, including where in the world it lives, what kind of habitat it prefers, what it eats, and a d

what are some orgenells in a plant