Nuclear Changes
Artificial Transmutations
Student Notes
Artificial Transmutations
Chapter 10.3
Transmutation
•Conversion of
atoms of one
element to another
element
Chapter 10.3
An example of transmutation
•Nuclear decay
Chapter 10.3
How do scientists perform
transmutations?
•Bombard nuclei with
high energy
particles such as
protons, neutrons or
alpha particles.
Chapter 10.3
First artificial transmutation
•A.
•B.
•C.
•D.
Rutherford
Neils Bohr
Enrico Fermi
Lisa Meitner
Chapter 10.3
This experiment provided
evidence that the nucleus
contains..
•Protons
Chapter 10.3
Describe transuranium
element
•Atomic number
greater than 92
Chapter 10.3
All transuranium elements
are radioactive.
•True
Chapter 10.3 Scientists can
synthesize a transuranium
element by the artificial
transmutation of a
_______element.
•Lighter
Chapter 10.3
The first transuranium
element to be synthesized
•D. Neptunium
Chapter 10.3
Element in smoke detectors
•B. Americium
Artificial Transmutation
Chapter 10.3 Why are
particle accelerators
needed for transmutation?
•Particles need
to be moving at
high speeds.
Chapter 10.3 A particle
accelerator can accelerate
charged particles to speeds very
close to the speed of light.
•True
Chapter 10.3
Describe a quark
•Subatomic particle.
•Basic unit of matter.
Chapter 10.3
The number of quarks in
each proton or neutron
•C. Three
Chapter 10.3
Complete the following
concept map.
Alpha Particles
Chapter 10.3
Complete the Standard Model