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What is unusual aout bromine?
One unusual aspect of bromine is that it is the only non-metallic element that is liquid at room temperature. Additionally, bromine is one of the few elements that can exist in all three common states of matter (solid, liquid, and gas) at normal atmospheric pressure. Bromine's properties make it unique compared to many other elements in the periodic table.
Why is bromine unusual?
Bromine is unusual because it is the only non-metallic element that is liquid at room temperature. It is also the only non-metal that exists in a liquid form, while most other non-metals are gases under normal conditions. Bromine also has a strong, unpleasant odor and is highly reactive.
What is the percent composition for CuBr2?
The percent composition for CuBr2 is: Cu= 28.45% Br= 71.55%
Does a physical or chemical change occur when aluminum foil is placed into liquid bromine and a white solid forms?
A chemical change occurs. When aluminum foil is placed in liquid bromine, the aluminum reacts with bromine to form aluminum bromide, which appears as a white solid. This reaction is a chemical change because the composition of the substances involved is altered.
Is The color of elemental bromine is orange-red a physical or chemical change?
The color change of elemental bromine from red to orange is a physical change. This is because the substance's chemical composition remains the same; only its physical appearance, in this case its color, is altered.
What is a Isotopic Fractionation?
Separation of a mixture according its isotopic composition.
Can water dissolve isotopes?
The solubility of a molecule is not dependent on the isotopic composition. In other words, if a molecule with a particular isotopic composition is soluble then so are all of its isotopomers and isotopologues.
What is most unusual thing about this meteorite?
it was found on the planet mars
What is the percent composition in lithium and bromine?
The percent composition of lithium in lithium bromide (LiBr) is approximately 7.7%. The percent composition of bromine in lithium bromide is approximately 92.3%.
Which is the percent composition of bromine in the compound NaBr?
The percent composition of bromine in NaBr is approximately 77.7%. This is calculated by dividing the molar mass of bromine by the molar mass of NaBr and then multiplying by 100.
How do you determine when isotopes are most abundant?
Isotopic composition is determined by mass spectrometry.
What is sulfur Isotopic standard?
A sulfur isotopic standard is a reference material used for measuring and calibrating the isotopic composition of sulfur in samples. It helps researchers ensure the accuracy and precision of their sulfur isotope measurements by providing a known reference point. These standards are often characterized by their isotopic composition and are used in various fields such as geology, environmental science, and biology.
What is Isotopic standard?
An isotopic standard is a substance that is used as a reference to calibrate and compare isotopic measurements. These standards are typically well-characterized and contain known amounts of isotopic elements, allowing scientists to determine the isotopic composition of unknown samples by comparison. Isotopic standards are crucial for ensuring the accuracy and consistency of isotopic measurements in various fields of science.
Are elements a pure mixture?
Chemical elements are not mixtures (I do not think to the isotopic composition).
Can one use the average mass of elemental bromine for the atomic mass of bromine?
Yes, that is what is used. Bromine is I think ~51:49 ratio of Br79 and Br81. Therefore it is somewhere in between (79.9g/mol)
What is an allobar?
In physics, an allobar is any form of an element with a different isotopic composition to that of the natural element.
What has the author W Dansgaard written?
W. Dansgaard has written: 'The isotopic composition of natural waters' -- subject(s): Water, Isotopes, Composition, Ice
