Physics

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An incandescent light (glowing tungsten filament) produces: A) a continuous spec Started by plus1	1 Replies 899 Views	Aug 28, 2013 by notis
A neon light (thin hot neon gas in a sealed tube) gives us: A) a continuous spec Started by plus1	1 Replies 1,185 Views	Aug 28, 2013 by notis
In the atom, which particles gives the element its identify (atomic number)? A) Started by plus1	1 Replies 816 Views	Aug 28, 2013 by notis
The particles which enter into chemical reactions are the atom's: A) protons. B) Started by plus1	1 Replies 651 Views	Aug 28, 2013 by notis
A hydrogen atom consists of an electron and a(n) A) proton. B) ion. C) neutrino. Started by plus1	1 Replies 974 Views	Aug 28, 2013 by notis
The particle which adds mass but no charge to the atomic nucleus is the: A) posi Started by plus1	1 Replies 918 Views	Aug 28, 2013 by notis
An emission spectrum can be used to identify a(n) A) proton B) electron. C) ne Started by plus1	1 Replies 806 Views	Aug 28, 2013 by notis
The classical model of the hydrogen atom that explains its spectral line structu Started by plus1	1 Replies 738 Views	Aug 28, 2013 by notis
Which of the following type of electromagnetic radiation has the highest energy? Started by plus1	1 Replies 895 Views	Aug 28, 2013 by notis
Which of the following type of electromagnetic radiation has the lowest energy? Started by plus1	1 Replies 757 Views	Aug 28, 2013 by notis
In Bohr's model of the atom, electrons A) only make transitions between orbitals Started by plus1	1 Replies 970 Views	Aug 28, 2013 by notis
In space, positive ions are the result of: A) protons escaping from the nuclei o Started by plus1	1 Replies 1,010 Views	Aug 28, 2013 by notis
According to the photoelectric effect in order to release electrons from a solid Started by plus1	1 Replies 1,535 Views	Aug 28, 2013 by notis
The energy required to ionize a hydrogen atom whose electron is in the ground st Started by plus1	1 Replies 1,022 Views	Aug 28, 2013 by notis
The energy required to move an electron in a hydrogen atom from energy level 1 t Started by plus1	1 Replies 1,242 Views	Aug 28, 2013 by notis
The energy required to move an electron in a hydrogen atom from energy level 2 t Started by plus1	1 Replies 1,672 Views	Aug 28, 2013 by notis
) The Balmer Beta absorption line is a result of a transition of an electron in Started by plus1	1 Replies 1,180 Views	Aug 28, 2013 by notis
Emission lines of hydrogen that are found in the ultraviolet part of the electro Started by plus1	1 Replies 1,007 Views	Aug 28, 2013 by notis
To have a negative ion, you must have: A) taken away a proton from the nucleus. Started by plus1	1 Replies 1,176 Views	Aug 28, 2013 by notis
For hydrogen, the transition from the second to the fourth energy level produces Started by plus1	1 Replies 1,219 Views	Aug 28, 2013 by notis
In a hydrogen atom, a transition from the third to the second energy level will Started by plus1	1 Replies 948 Views	Aug 28, 2013 by notis
Why are molecular lines more complex than elemental spectral lines? A) Molecules Started by plus1	1 Replies 1,586 Views	Aug 28, 2013 by notis
Since the difference in energy between the different rotational states in a mole Started by plus1	1 Replies 907 Views	Aug 28, 2013 by notis
The splitting of spectral lines in the presence of strong magnetic fields is the Started by plus1	1 Replies 1,214 Views	Aug 28, 2013 by notis
Spectral lines are often referred to as the stars' "fingerprints" because: A) fi Started by plus1	1 Replies 1,481 Views	Aug 28, 2013 by notis