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SUB- ATOMIC HISTORIC FIGURES NUCLEAR DECAY NUCLEAR CHEMISTRY ODDS AND ENDS VOCABULARY

WHICH PARTICLE IS REPRESENTED BY THE SYMBOL p + ? A 100

PROTON A 100

WHICH PARTICLE HAS A CHARGE OF -1 ? A 200

ELECTRON A 200

Has a mass about equal to a proton and carries no electrical charge A 300

neutron A 300

Two particles found in the nucleus of the atom A 400

Protons and neutrons A 400

In a neutral atom, these two occur in equal numbers A 500

Protons and electrons A 500

First to propose the existence of the atom back in the time of the ancient Greeks B 100

Democritus B 100

Formulated the four postulates of the atomic theory of matter by combining the works of others, like Lavoisier and Proust B 200

Dalton B 200

Identified electrons and proposed the ‘plum pudding’ or ‘chocolate chip’ model of the atom B 300

Thomson B 300

Discovered the nucleus by the scattering of alpha particles from a piece of gold foil B 400

Rutherford B 400

Bohr’s model of the atom, reminiscent of the way the planets orbit around the sun, is sometimes called this kind of model B 500

Planetary model or Solar system model B 500

The types of nuclear decay and radiation all have names from this alphabet C 100

Greek C 100

Represented by the symbol 4 2 He C 200

Alpha particle C 200

Not made of particles, it is actually a type of electromagnetic radiation C 300

Gamma radiation C 300

DAILY DOUBLE C 400 DAILY DOUBLE Place A Wager

Type of radiation produced when a neutron is converted to a proton C 400

Beta radiation C 400

Multiple layers of this metal is often used to prevent the flow of radiation C 500

Lead C 500

Found on the Periodic Table, it tells the reader the number of protons in the nucleus of an atom D 100

Atomic Number D 100

Is the sum of protons and neutrons D 200

Mass Number D 200

Formed when an atom gains or loses an electron D 300

Ions D 300

Atoms of an element that have the same number of protons, but a different number of neutrons D 400

Isotopes D 400

Smallest particle of an element that has all of the properties of that element D 500

Atom D 500

The conversion of an atom of one element into an atom of another element E 100

Transmutation E 100

The amount of time it takes for one half of a radioactive sample to decay E 200

Half - Life E 200

Device used to detect the presence of radiation E 300

Geiger Counter E 300

Splitting a nucleus into two smaller fragments E 400

Fission E 400

Particle used to initiate transmutation and fission reactions E 500

Neutron E 500

What particle is produced in the decay of Bi into Po? F 100

Beta particles F 100

In the name Tin – 120, the 120 represents what? F 200

the Mass Number F 200

Alpha decay __________ the mass by 4 and the atomic number by 2 F 300

Decreases F 300

An element with 25 protons and a mass number of 55 has how many neutrons? F 400

30 neutrons F 400

An element with 29 protons and 34 neutrons has an atomic number of ? F 500

Atomic number 29 F 500

The Final Jeopardy Category is: Fission Reaction Please record your wager. Click on screen to begin

In your notes, the fission of Uranium -235 produces what two elements? Click on screen to continue

Barium and Krypton Click on screen to continue

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