A1marshortheathanie A1marshortheathanie

15-04-2016
Chemistry

contestada

The half-lives of isotopes are all measured in millions of years.
a. True
b. False

Respuesta :

anniesh7 anniesh7

16-04-2016

B. False, some isotopes have short half-lives such as 8 days

Answer Link

Otras preguntas

A triangle has sides of length 12 miles, 9.6 miles, and 7.2 miles. What is the perimeter?

#1: 36 in.=__________ft? #2 12 ft =___________yd? # 3 36 in = ________yd? #4 4 ft = __________ft? #5 2 yd = __________ft?

Laketown had 215 inches of snowfall last year, but only 155 inches this year. What was the percent decrease in snowfall for Laketown to the nearest percent?

How to work this problem?

Your sister is starting 9th grade next year and is thinking about going to college. What step would you recommend she take first?

Describe how federalism limits the power of the federal government?

Ulysses s. grant eplain

how many hundredths equal 4 tenths

how did the slogan "Asia for the Asiatics" differ from the reality?

Which letter represents the opposite of 1/4 on the number line below