9 emjm
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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alkaline earth metal in nature | false
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e- in bohr's atom | orbit
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what happen when e- go from lower to higher orbital | a photon is absorbed
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equal temperature scale |
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dalton atomic theory |
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symbol for wavelength | λ
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physical change | changes affecting the form of a chemical substance, but do not change the chemical composition of that substance
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what define element | the number of protons present in the nucleus
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energy needed to remove e- | Ionization energy
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mass#=? | sum of its protons and neutrons
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element in f orbital | inner transition elements
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physical property | any property that is measurable whose value describes a physical system's state
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significant figure problem |
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why light occur |
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representative element have | outermost s and p sublevel partially filled
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wavelength and frequency are this |
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size trend | Atoms increase in size as you go down a column and are larger going from right to left across a row
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ml=cc3 | 3
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definition of hypothesis | proposed explanation for some event or problem
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definition of matter | anything that has mass and volume
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quanta light | photon
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exclusion principle | only 2 e- opposite spin
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conservation of mass | mass can neither be created nor destroyed
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highest eletronegativity | Fluorine
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a guess | estimation
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# of f orbital | 7
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density problem | d=m/v
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modern model of the atom | quantum mechanical model
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the factor being tested | variable
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si unit of energy | joule
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conservation of mass | mass can neither be created nor destroyed
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definition of an atom | the smallest particle of element that retains the chemical identity of that element
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si unit of mass | kilogram
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Created by:
vt200
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