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A newly discovered element, Mysternium

A newly discovered element, Mysternium (Atomic symbol My) has two isotopes and an average atomic mass of 296.7286 amu. One of
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2. asked by Monika
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A newly discovered element consists of 2 isotopes, one with a mass of 9.5 and a relative abundance of 17.2% and another with a
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2. asked by Muneer
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Which headline is an example of sensationalism?(1 point)Responses “Astronomers Unveil a Newly Discovered Dwarf Planet.”
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The newly discovered element - 117 (named tennessine) for the Oak Ridge Laboratory where experiments took place) is made by
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A rock containing a newly discovered fossil is found to contain 5 mg of an unstable form of potassium and 5 mg of the stable
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2. asked by Janey
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Hello,Suppose that a newly discovered element called centium has three isotopes that occur in nature. These are centium-200,
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2. asked by Please help!
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Sometime ago Ununseptum was discovered. However, why was element 117 not considered an element at that time?
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2. asked by Aster Calico
3. 580 views
before 1937, all naturally occurring elements had been discovered except element 43. chemists predicted the chemical properties
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2. asked by serina chenette
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4.You have discovered an element that is a poor conductor of electricity, has a low melting point, and is a gas at room
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What was significant about the discovery of gallium?It confirmed Mendeleev’s predictions and showed the usefulness of his
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2. asked by e
3. 119 views