Decay
What type of decay involves an increase in atomic number by 1 and a by product of losing an electron?
beta decay
What are the two main ways of obtaining nuclear energy?
Fission and Fusion
A testable prediction about the outcome of an experiment is called the
hypothesis
positive particle in the nucleus
proton
Atoms with differing numbers of neutrons are called ______________-
isotopes
What type of decay involves neither a loss or gain in protons and neutrons?
gamma decay
The decay of a large atom into multiple pieces is called
Fission
The variable that you measure is the
dependent variable
negative subatomic particle
electron
Who was the lead scientist on the Manhattan project?
robert oppenheimer
Ra88 ---- 42 He + Rn86 . What type of decay is pictured to the left
alpha decay
Two hydrogen atoms coming together to form Helium, like what happens on the sun, is an example of _________
Fusion
The variable that you change, that forms the basis for the experiment is the ______
independent variable
What two subatomic particles are located inside the nucleus?
protons and neutrons
Who was the lead general in charge of the Manhattan Project?
General Leslie Groves
C6 ---- ____ + N7 . What piece of information is missing in the blank?
-10 e
What does WMD stand for? and what are the 3 types
weapons of mass destruction, biological, nuclear, chemical
Things that you keep that same like temperature of the room, planet you conduct the experiment on....etc is called the
control variable(s)
What two things make up atomic mass?
protons and neutrons
What is the symbol for gamma decay, which is pure energy and can happen simultaneously with alpha and beta decay?
00 y
What particle is needed to complete this nuclear reaction? 22286Rn -> 21884Po +____
42 He
What two elements were used to make nuclear weapons?
uranium and plutonium
What are 3 of the 6 steps in the scientific method?
1. Ask a question
2. Form a hypothesis
3. Make an experiment
4. Analyze Data
5. Draw conclusions
6. Communicate results
What helps you identify the atomic number? (what is it based on)
The half life, or time it takes for the radioactivity of a specific isotope to fall to its half value, of radon-222 is 4 days. How much of a 100g sample would be left after 8 days?
25