Answer:
Isotopes – caused by varying numbers of neutrons in an element – have many practical uses in our society. ... In geology and archaeology, radioactive isotopes are used to determine the age of a sample while hydrologists can use isotope signatures to distinguish between different groundwater types.
Explanation:
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Answer:
Maintains natural hair moisture.
Prevents hair frizz.
Reduces hair breakage & tangles.
Longer lasting hair styles.
Explanation:
Remember that carbon has 4 electrons in its valence shell meanwhile bromine has 7
So i think the lewis structure would be :
Br
C Br Br
Br
Hope this helps
It is called the periodic table
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