Absolute Dating

Question 1

eras, epochs eons, periods. Arrange in order

Answer 1

Eons, eras, periods, epochs

Question 2

they are same protons but different mass number/neutrons

Answer 2

isotopes

Question 3

some isotopes are unstable thats why they are being broke down thru to what?

Answer 3

Radioactive decay

Question 4

What does radioactive decay release?

Answer 4

Energy and particle

Question 5

Radioactive decay uses what to decay something

Answer 5

Radiation

Question 6

Enumerate 3 types of radioactive decay

Answer 6

Alpha, beta, gamma

Question 7

This ejects 2 protons and 2 neutrons (helium)

Answer 7

Alpha decay

Question 8

Not too strong decay, can be shielded by paper

Answer 8

Alpha decay

Question 9

This emits an electron / positron

Answer 9

Beta decay

Question 10

Emits photons in form of gamma rays

Answer 10

Gamma decay

Question 11

Enumerate the formula for half life

Answer 11

N(t) = N(0) (1/2)^t/T(1/2)

Question 12

How to find the age of the rock in manual way

Answer 12

Add age of daughter+parent, divide that by 2 until u reach the current parent, then times that by the half life