Question

Please help!! Will give medal!

Answer 1

Radioactivity is produced when unstable nuclei _____?

Answer 2

A. bond together
B. break apart
C. become cooler
D. expand

Answer 3

b. break apart

Answer 4

thanks! you think you can help me with a couple more?

Answer 5

sure

Answer 6

okay

Answer 7

The time it takes for 50% of the nuclei in a radioactive sample to decay to its stable isotope is called _____.

Answer 8

the daughter product
geologic time
the half-life
the half-time

Answer 9

half life

Answer 10

The radiometric dating of an igneous rock provides____.

the relative age of the rock
a date for when the rock formed
the age of Earth
a date for when the rock was eroded

Answer 11

nevermind i got the answer