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The simple answer is that when the outer electrons in an atom change their energy state they can only do so in discrete amounts. When they do this a photon is emitted. The photon has a wavelength corresponding to the energy that it carries. We see colour because of this wave length. The electrons in any different atoms are always in different quantum states. All electrons in smiler atoms have the same series of energy levels and so emit the characteristic wave spectrum for that atom. This is the basis of spectrometry.
Wiki User
∙ 10y ago
Wiki User
∙ 7y agoThey aren't, atoms have no color.
Materials (made from atoms or molecules) may or may not appear to have color depending on how they interact with external light or if they are excited in a manner that causes them to emit light themselves. But the atoms themselves have no color.
Wiki User
∙ 9y agoThere are only specific colors of light that emitted by atom when it is excited. The atoms will vibrate and release certain frequencies which correspond to specific colors.
Wiki User
∙ 11y agoBecause its element have a unique colors and different characteristics in terms of colors off itself
Wiki User
∙ 13y agothey are releasing the energy that you are exposing the to when you heat them up.
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What color flame does the element francium give off when heated?
The color is red.
Why does combining a secondary color with its complementary color give white light?
because the light spectrum is disrupted and the color becomes normal and normality is white
What element is crystals of its salts are know for their crisp color?
The element whose salt crystals are know for their crisp color is chromium. Chromium is often put on the bumpers of cars to give them their sheen.
Why does lithium chloride turn pink over a flame?
because the electron jumps made in lithium chloride give out a reddish color when moved to the excited state of the visible light spectrum. the heating moves them up to the excited state
Can you use flame test to identify element?
Yes. Every element has a very particular emission spectrum. Each element has a specific structure of nucleus and electron orbits. Because of this, when a certain element is ionized (ie. by a flame), the electrons rejoining with the nuclei give off a specific frequency of light. The color of light witnessed after burning the compound is an indicator of the elements present.
What can you now say about the spectra from various light sources?
The light source will give a spectrum that shows what elements are present. Each element will give of a particular colour, almost like a fingerprint.
Why do different elements give off a colorful light when heated?
The color depends on the lines of the emission spectrum of each different element.
What color flame does the element francium give off when heated?
The color is red.
Which element gives mars its reddish orange color?
the Element that give mars its color is titaniasflkas and wat ever els is on that planet
Why does an element give off light of a particular colorwhen flame test is being conducted?
This is because each element has different photons (bundles of light) it gives off during reaction or energy transfer. For example, lithium has primarily red photons, so you see a lithium flame as red.
How is an emission spectrum of an element generated?
All hot solids or dense enough gases emit black body radiation. Gases that are not very dense are are cold absorb particular wavelengths while gases that are not dense but are hot produce their characteristic emission spectrum.
What element give mars it's reddish-orange color?
Carbon and iron
Why does combining a secondary color with its complementary color give white light?
because the light spectrum is disrupted and the color becomes normal and normality is white
Give the importance of elements and compounds?
1.they give carbon dioxide and oxygen2.element is pure substance that cannot be broken3.in has light,an element is the simplest kind of matter
What element is crystals of its salts are know for their crisp color?
The element whose salt crystals are know for their crisp color is chromium. Chromium is often put on the bumpers of cars to give them their sheen.
What element was found in chinchorro mummy masks?
Manganese, used to give a black color to the faces.
What color are dinoflagellates?
dinoflagellates give off light which is known as luminscent
