Alaina, Samantha, Anna, Lexi Science section 2 Alaina, Samantha, Anna, Lexi

#1 Question Answer Becquerel had made the first observation of a Spontaneous Radiation, what was this radiation called?  Radioactivity

#2 Question:  Answer: What Decay is the process by which a nucleus transitions from an excited energy state to a lower energy state, in the form of a gamma ray? Gamma

#3 Where is the decay type indicated on the decay chain? #3  Questions: Anwser:      Where is the decay type indicated on the decay chain? Along each path

#4 Question  Answer   True or false; there is no way to predict individual radioactive  nucleus will undergo decay? True

#5 Give 4 examples of ionizing radiation. Question: Answer  Give 4 examples of ionizing radiation. Radio waves, microwaves, infrared & visible light

#6 Question: Answer All isotopes of the same ______ occupy the same position on the periodic table.    Element

#7 Why is the accuracy of carbon dating techniques limited? Question: Answer: Why is the accuracy of carbon dating techniques limited? Because of changes in abundances of C14 in the atmosphere over time.

#8 Underneath its chemical symbol Question: Asnwer: Where is the half life of each isotope indicated? Underneath its chemical symbol

#9 Questions: Answer: Many common household smoke detectors contain a tiny sample of what? Americium 241

#10 What is the relative atomic mass? Question Answer What is the relative atomic mass? The average mass of all isotopes of a given element.