1. Radioactive decay, fission and fusion are associated with: A) Molecules
B) Atomic Nuclei C) Chemical Bonds D) Chemical Potential Energy
2. The whole range of electromagnetic waves from radio through visible to
gamma and cosmic make up the electromagnetic: A) decay series B) periodic
table C) rainbow D) spectrum
3. The number of waves that pass by a given point in one second is the _______
of the radiation. A) frequency B) amplitude C) wavelength D) velocity
4. Electromagnetic radiation has all these features except: A) it
has no mass B) higher frequencies travel faster C) it moves through space
in bundles called photons D) higher frequencies carry more energy
5. Which is correct about the lead block experiment? A) only beta rays were
bent by the magnetic field B) beta and gamma rays were bent or deflected
C) alpha and beta but not gamma rays were deflected
6. In the Rutherford Gold Foil alpha particle scattering experiment, : A)
most particles reflected off the thin gold foil B) most particles punched
little holes in the gold foil as they went through C) most particles were
deflected at angles to the sides D) only a very few particles were scattered
away from their path
7. The subatomic particles in the nucleus are held together by: A) the electric
force B) gravity C) covalent bonds D) the strong nuclear force
8. Atoms with the same atomic number but different atomic mass are called:
A) isomers B) homologs C) isotopes D) radioactive
9. Unstable nuclei which change by emitting small particles and energy are
undergoing: A) chemical change B) physical change C) fusion D) radioactive
decay
10. Radioactivity was discovered by: A) W.K.Roentgen B) Henri Becquerel C)
Geiger and Marsden
Questions? Comments??
Phillip Boese