Radiation
Scientists
Nuclear Reactions
Nuclear Notation
Potpourri
100
This particle has negative charge.
What is a beta particle?
100
Discovered radium and polonium.
Who is Marie Curie?
100
The process in which a heavy nucleus splits into lighter nuclei.
What is fission?
100
The nuclear symbol for carbon.
What is 12/6 C?
100
An atom with a different number of neutrons.
What is an isotope?
200
The mass of this type of decay is 4 amu
What is an alpha particle?
200
Famous for the formula E=MC2
Who is Einstein?
200
The process in which light nuclei combine to form heavier nuclei.
What is fusion?
200
The nuclear notation for oxygen.
What is 16/8 O?
200
The time it takes for half of a sample to decay.
What is a Half-life?
300
This is the most dangerous type of radiation.
What are gamma rays?
300
Henri Becquerel discovered that uranium emitted this.
What is radiation?
300
The mass of the products is _____ than the mass of the reactants.
What is less?
300
The nuclear symbol for sodium.
What is 23/11 Na?
300
This type of decay results in the ejection of 2 protons and 2 neutrons from the nucleus of an atom.
What is alpha decay?
400
This is the process in which an unstable nucleus loses energy spontaneously.
What is radioactive decay?
400
Marie Curie was from this country.
What is Poland?
400
The missing element is this in the following reaction: 238/92 U -> 234/90 Th + ?
What is 4/2 He?
400
The nuclear symbol for uranium.
What is 238/92 U?
400
A change in the identity of a nucleus because of a change in the number of its protons.
What is transmutation?
500
The abbreviation for this is ER.
What is electromagnetic radiation?
500
Won a Nobel prize with the Curies for discovering radioactivity.
Who is Henri Becquerel?
500
The nucleus is bombarded with alpha particles, protons, neutrons or other particles.
What is induced fission?
500
The nuclear symbol for Th-238.
What is 238/90 Th?
500
The mass of 500 grams of a sample after 100 years with a 1/2 life of 50 years.
What is 125 grams?
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