Which of the following would be attracted toward a positively charged sheet of metal?
A) Alpha Particle
B) Beta Particle
C) Gamma Ray
What is Beta Particle.
100
The atoms are mostly made up of empty space
True
False
What is true
100
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What is Yields
100
the temperature levels in a nuclear reactor are maintained primarily by the use of
1)Shielding
2)Coolant
3Moderators
3)control rods
What is coolant
200
The nucleus of the greatest stability is found in the isotope of the element
A) aluminum
B) iron
C) hydrogen
What is iron
200
The name of the natural fusion reactor located closest to the earth
What is the sun
200
(Aq)
What is aqueous
200
Which radioactive emannations have a charge of -1
1)Gamma rays
2)Alpha particles
3) beta particles
What is beta particles
300
The mass of a given nucleus is always ______ the sum of the masses of the individual particles of which it is made.
A) less than
B) more than
C) the same as
What is less than
300
The difference between fission and fusion reactions
What is fission involves the splitting of large nuclei while fusion involves the fusing of small nuclei
300
(G)
What is gaseous
300
As the temperature of a sample of a radioactive element decreases, the half-life will
1)Decreases
2)increases
3)remain the same
What is remains the same
400
The rate of radioactive decay is increased by-
A) Increased Pressure
B) Increased Heat
C) None of the Above
What is None of the Above.
400
These are three types of radiation
What is alpha, beta particles, and gamma rays
400
2Atm
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What is Pressure at which reaction is carried out
400
What kind of radiation will travel through an electric field on a pathway that remains unaffected by the field?
1)A proton
2) a gamma ray
3)An electron
What is a gamma ray
500
One of the firts observable effects of over exposure to very. Low level radioactivity is
A) loss of hair
B) changes in the blood count
C) glowing in the dark
What is changes in the blood count
500
The part of the atom involved in nuclear reactions
What is the nucleus
500
Heat
--->
What is Reactants being heated
500
Which particle cannot be accelerated in a magnetic field?
1)Alpha particles
2)Beta particles
3)Neutron