Answer:
The only PH range which is not covered by any of the given components of the universal indicator is 7.6-8.0
Hence the PH range 7.6-8 can't be described using universal indicator.
There are three valence electrons in an atom of Aluminum (Al).
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Al · or : Al : ·
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The answer is B.
Answer:
anshuajahauajajajajajajksisis
Atomic mass is the number of protons + number of neutrons. 11 protons + 12 neturons = 23
