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the idea of the atom

How did the discovery of the electron change the atomic model? A.it disaproved the earlier idea of an indivisible atom. B.it
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2. asked by lily
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Which nonmetal would an ion of Ca2+ MOST LIKELY ionically bond with in a 1:1 ratio?Responses A one atom of neonone atom of neon
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When was the idea of the atom first introduced?http://en.wikipedia.org/wiki/Atom#History_of_atomic_theory_and_discovery_of_atomi
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2. asked by pop
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Supppose an atom has four distinct energy states. Assuming all transitions are possible, how many spectral lines can this atom
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2. asked by Molly
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Any atom that has 13 protons is an aluminum atom. Which statement best describes what would happen if a proton were added to an
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Changing the number of __________ would change an atom into an atom of a different element.View Available Hint(s)for Part A
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The number of _____ in the atom is what determines whether the atom is a potassium atom, a hydrogen atom, or an oxygen atom.prot
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An atom has 17 electrons, 17 protons, and 18 neutrons.What is false about this atom. •A. The atomic number of this atom is 18.
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2. asked by Cupidsvz
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When an atom is broken down into parts, what happens to its identity?The atom is no longer recognizable. The atom takes on a new
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2. asked by Dianni
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An atom has a mass number of 43 and it also has 21 electrons.a) How many protons does this atom have? b) What is the identity of
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