226 88Ra decays by alpha decay. What are A and Z for the daughter nuclide?
A. 226, 92
B. 222, 92
C. 226, 88
D. 222, 88
E. 222, 86
E. 222, 86
You might also like to view...
When it comes near a heavy nucleus, a gamma ray, which is a high energy photon, can "disappear," and in its place there will be produced an electron and a positron, which both have mass. According to special relativity, this pair production is an example of __________
Fill in the blank(s) with correct word
Matter Waves: Atoms in crystals are typically separated by distances of 0.10 nm. What kinetic energy must a nonrelativistic electron have, in electron-volts, in order to have a wavelength of 0.10 nm? (melectron = 9.11 × 10-31 kg, 1 eV = 1.60 × 10-19 J, h = 6.626 × 10-34 J ? s)
Fill in the blank(s) with the appropriate word(s).
Voids are
A. spaces between stars. B. regions in the centers of galaxies containing many black holes. C. spaces between galaxies within a cluster. D. huge regions of space with few or no galaxies.
The rate of expansion of the Universe is currently increasing
a. True b. False Indicate whether the statement is true or false