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Matter that emits no light at any wavelength is called
Matter that emits no light at any wavelength is called dark matter.
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User: Matter that emits no light at any wavelength is called

Weegy: Matter that emits no light at any wavelength is called dark matter.
Expert answered|weegy2x|Points 667|

User: The gases cast off by a dying star are called A. dark matter. B. neutron clouds. C. remnants. D. planetary nebulae.

Weegy: The gases cast off by a dying star are called D. planetary nebulae.
Expert answered|weegy2x|Points 667|

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Asked 347 days ago|10/9/2013 9:05:18 AM
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Which of the following statements about metallic bonds is false? A. The resulting compound is a good conductor of electricity. B. The resulting compound has low melting and boiling points. C. The resulting compound has a shiny surface. D. The resulting compound cannot be dissolved in water.
Weegy: B. The resulting compound has low melting and boiling points. - - metals often have high boiling points, with tungsten (5828 K) being extremely high. User: If the thermometer reads 20° Celsius, what's the temperature in Fahrenheit? A. 68° B. 72° C. 52° D. 36° Weegy: °C x 9/5 + 32 = °F 20°C x 9/5 +32 =68°F User: If an atom contains 12 protons and 10 neutrons, what's its mass number? A. 22 B. 10 C. 12 D. 2 (More)
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Asked 351 days ago|10/5/2013 11:25:00 PM
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If an atom contains 12 protons and 10 neutrons, what's its mass number? A. 22 B. 10 C. 12 D. 2
Weegy: A. 22 12 +10 = 22 Mass number = Number of protons + Number of neutrons User: Which object emits the most radiation? A. Ice B. Water C. Dirt D. Fire (More)
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Updated 49 days ago|8/3/2014 4:40:14 PM
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Fire emits the most radiation.

Added 49 days ago|8/3/2014 4:40:14 PM
Which object emits the most radiation? A. Ice B. Water C. Dirt D. Fire
Weegy: Fire emits the most radiation. [ ] User: Which of the following is not a part of kinetic molecular theory? A. When particles collide, no energy is lost. B. When temperature is increased, particles move more quickly. C. Small particles make up all matter. D. Particles are in constant, random motion. Weegy: C. Small particles make up all matter (More)
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Asked 351 days ago|10/5/2013 11:56:32 PM
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The number of valence electrons in an atom can often be quickly determined by referencing A. the atomic number of the element. B. the period number on the periodic table. C. the group number on the periodic table. D. the atomic mass of the element.
Weegy: The number of valence electrons in an atom can often be quickly determined by referencing C. [ the group number on the periodic table. The number of valence electrons of an element can be determined by the periodic table group (vertical column) in which the element is categorized. With the exception of groups 3–12 (the transition metals), the number within the unit's place identifies how many valence electrons may be associated with a neutral atom of an element listed under that particular column. ] User: Which of the following men did not help to advance the understanding of the atom? A. Rutherford B. Dalton C. Democritus D. Aristotle Weegy: D. Aristotle did not help to advance the understanding of the atom. User: What's the final volume of a gas with an initial volume of 75 mL if the pressure decreases from 300 mL to 200 mL? A. 112.5 mL B. 50.0 mL C. 100.0 mL D. 75.5 mL (More)
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Asked 351 days ago|10/6/2013 12:09:48 AM
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What's the final volume of a gas with an initial volume of 75 mL if the pressure decreases from 300 mL to 200 mL? A. 112.5 mL B. 50.0 mL C. 100.0 mL D. 75.5 mL
Weegy: A. 112.5 mL the final volume of a gas with an initial volume of 75 mL if the pressure decreases from 300 mL to 200 mL. (More)
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Asked 350 days ago|10/6/2013 12:44:04 AM
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