Vocab
Atomic Structure
Life Cycle of Stars
Fission and Fusion
Chemistry!
100
What is the smallest particle of an element
Atom
100
Both of these are located in the nucleus or "core"
Proton and Neutron
100
Every star starts out as a...
Nebula
100
What is spontaneous nuclear fission?
Spontaneous fission is a form of radioactive decay that is found only in very heavy chemical elements.
100
left side of the periodic table are...
right side of the periodic table are...
METALS!!! (Left)
NONMETALS!!!(Right)
200
Astronomers use this as a basic unit of mass.
Solar Mass
200
These are located in the cloud of an atom
Electrons
200
Black dwarfs will eventually become black holes.
True or False
False
200
What are some pros and cons of nuclear power?
- Con – If it goes wrong
- Pro – Not intermittent(not continuous or steady. )
- Con – Nuclear waste
- Pro – Cheap to run
- Con – Expensive to build
200
The staggered stair step on the periodic table divides...
The metals from the nonmetals.
300
alpha decay, beta decay, and gamma decay, all of which involve emitting one or more particles or photons are all examples of...
Radioactive Decay
300
How do you find the number of neutrons in an atom?
Mass - protons = neutrons
300
Super Novas will eventually become one of two things... what are the two possibilities of the life of a Super Nova?
Neutron Star or a Black Hole
300
Briefly describe how a nuclear power plant works.
In nuclear power plants, neutrons collide with uranium atoms, splitting them. ... In the core of nuclear reactors, the fission of uranium atoms releases energy that heats water to about 520 degrees Fahrenheit.
300
Metalloids are located where on the periodic table?
Metalloids are located on the stair step.
400
What is a nuclear reaction in which an atomic nucleus is split into two smaller parts
Fission
400
Where is most of the mass located in an atom?
nucleus
400
This basic but complex theory builds stars and makes them shine
Gravity
400
Explain controlled nuclear fission.
To maintain a sustained controlled nuclear reaction, for every 2 or 3 neutrons released, only one must be allowed to strike another uranium nucleus.
400
The element Bismuth has _____ neutrons.
126 neutrons!
500
the process in which two nuclei, or a nucleus and an external subatomic particle, collide to produce one or more new nuclides.
Nuclear Reaction
500
Element Name
Atomic Number (# of protons and electrons)
Element symbol
Atomic Mass (Mass-protons=neutrons)
500
Every star you see in the night sky is bigger and brighter than our sun...
True or False
True!
500
The idea behind controlled fusion is...
to use magnetic fields to confine a high-temperature plasma of deuterium and tritium.
500
Antimony has ____ neutrons
71 neutrons!