KittyAwesome KittyAwesome

22-04-2019
Chemistry

contestada

Thorium-229 is a highly radioactive isotope. Use the chart to determine the half-life of Th-229. A) 7,340 years B) 8 years C) 16 years D) 22,020 years

Respuesta :

naomitribehg naomitribehg

03-03-2020

Answer:

a

Explanation:

a(usatestprep)

Answer Link

ulmerdestinyp117dh ulmerdestinyp117dh

11-05-2021

Answer: a ) 7,340 years

Explanation: USAtestprep test

Answer Link

Otras preguntas

Three of four numbers have a sum of 22. If the average of the four numbers is 8, what is the fourth number?

Simplify the expression by using a double-angle formula or a half-angle formula. 7cos^2(theta/9)-7sin^2(theta/9) sin(theta/6)cos(theta/6)

Who Owns Antarctica? thanks:)

Simplify the expression by using a double-angle formula or a half-angle formula. 7cos^2(theta/9)-7sin^2(theta/9) sin(theta/6)cos(theta/6)

Solve 2cos x+2cos 2x=0 on the interval [0,2pi)

simplify the expression a)square root of 45 b)square root of 54 c)square root of 16/25

how do you convert 0.125 into a ratio

I'm having a hard time with this one solve for y 3y+7=28?

give me three reason that violence is acceptable

Is "please have a seat" a complete sentence?