Atomic Energy Flashcards
the splitting or fusing of atomic nuclei
atomic reaction
splitting one after the other
chain reaction
the action of blowing up; “instant” oxidation
explosion
melting together; the joining of atomic nuclei at high heat
fusion
the center or core of the atom
nucleus
the mass of one proton or one neutron
atomic mass unit
the splitting of atomic nuclei
fission
the negatively charged particle of an atom
electron
the quantity of matter something contains
mass
the positive particles of the atomic nucleus
proton
anything that takes up space
matter
an atom of an element having a different number of neutrons
isotope
the uncharged particle in the nucleus of an atom
neutron
Atomic energy is produced from changes within the ____ of the atom.
nucleus
The total mass of a chemical reaction always _____.
remains constant
Nuclear reactions convert some of the mass to
energy
The mathematical relationship of the change of mass to energy was discovered by
Einstein
During a nuclear reaction, a small loss of mass will produce a _____.
great amount of energy
“Neither _____ nor _____ can be created or destroyed, but they can be changed from one form to the other.”
Matter
Energy
Which statements are correct regarding the Law of Conservation of Matter and Energy?
Matter or energy can change from one form to the other.
The law agrees with the Biblical account of Creation.
The Bible states that God created matter and energy.
True
Science has no explanation or theory for the origin of matter and energy.
true
The electron has a negative charge.
true
The nucleus is at the center of the atom.
true
Electrons surround the nucleus in orbitals.
true
Electrons are heavier than protons.
false
The protons in the nucleus attract electrons.
true
Neutrons have a positive charge.
false
Scientists have discovered over two hundred elements.
false
An element is composed of at least two kinds of atoms.
false
Protons and neutrons are bound tightly together in the ___ of an atom.
Nucleus
When nuclear fission occurs _____.
energy is released
When the nucleus of an atom is split, the release of _ produces a _ reaction.
neutrons
chain
Both the atomic bomb and nuclear power plants produce energy by the process of nuclear _____.
fission
The process of combining the nuclei of two atoms is called
fusion
Nuclear fusion requires extremely high
temperature
Thermonuclear reactions occur as the result of _____.
nuclear fusion
The sun produces its heat by converting _____.
mass to energy
Nuclear fusion within the Sun is demonstrating which law?
the law of conservation of matter and energy
