Which one has the largest range of possibilities [or quantum uncertainty range]?
A) proton
B) electron
C) dust grain
D) helium atom
E) water molecule
B
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The quark structure of the proton is uud
a. True b. False Indicate whether the statement is true or false
The chemical composition of stars can be determined from lines in their spectra
Indicate whether the statement is true or false
Uh-oh, the malicious eight-dimensional alien beings are back. This time, imagine that they suddenly changed nature so that neither the uncertainty principle nor the exclusion principle applied to electrons
What would happen almost immediately to atoms? A) Atoms would annihilate each other, releasing huge amounts of energy. B) Atoms would be immediately ionized. C) Nothing; atoms would be unaffected by this change. D) Electrons would fall into the nuclei of atoms.
Consider a container of 2.0 g of hydrogen, H2 (one mole). Suppose you removed all the electrons and moved them to the other side of the earth
(Earth's radius is 6380 km, k = 1/4??0 = 9.0 × 109 N ? m2/C2, NA = 6.022 × 1023 molecules/mol, e = 1.60 × 10-19 C) (a) How much charge is left behind after you remove the electrons? (b) What electric force do the protons exert on the electrons after they are separated as described?