What is the name of the scientist who discovered that all elements have a unique spectrum?
Niels Bohr discovered that all elements have a unique spectrum.
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Updated 4/3/2014 1:10:35 AM
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Niels Bohr discovered that all elements have a unique spectrum.

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pathological
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Updated 4/2/2014 9:50:02 PM
Pathological : extreme in a way that is not normal or that shows an illness or mental problem.
Select all that apply. In an isosceles triangle, one angle measures 20°. What are the measures of the other two angles? 80° and 80° 90° and 90° 20° and 140° 20° and 60°
Question
Updated 4/8/2014 11:01:31 PM
In an isosceles triangle, one angle measures 20°. The measures of the other two angles is: 80° and 80°, 20° and 140°.
Confirmed by jeifunk [4/8/2014 11:07:38 PM]
What is the perimeter of a regular pentagon in which all sides have a length of 7 feet? 49 ft 28 ft 35 ft 42 ft
Question
Updated 4/8/2014 1:55:26 PM
The perimeter of a regular pentagon in which all sides have a length of 7 feet is 35 ft. P = 5s; P = 5*7; P = 35
Confirmed by andrewpallarca [4/8/2014 1:56:22 PM]
Two sides of a triangle measure 18 meters and 11 meters. If the perimeter of the triangle is 37 meters, what is the length of the third side? 12 m 8 m 66 m 30 m
Weegy: P = 11 + 18 + x => x = 37- ( 11 +18) = 37 - 29 = 8 m , The length of the third side is 8 m User: What is the radius of a circle that has a circumference of 81.64 meters? (More)
Question
Updated 4/8/2014 10:58:39 PM
The circle circumference formula C = 2*Pi*r = 2*3.14*r = 81.64
r = 81.64/6.28 = 13 meters.
The radius of a circle that has a circumference of 81.64 meters is 13 meters.
Confirmed by jeifunk [4/8/2014 11:00:06 PM]
What is the measure of an interior angle in a regular dodecagon? 150° 144° 180° 360°
Weegy: 144° is the measure of an interior angle in a regular dodecagon. (More)
Question
Updated 1/12/2015 6:18:59 AM
The measure of an interior angle in a regular dodecagon is: [(12 - 2)*180]/12 = 150 degrees.
Confirmed by sujaysen [1/12/2015 6:22:44 AM]
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