Is the abbreviation 7) The
for an element on the periodic table. *
atomic number
symbol
atomic mass

if two electrons have the same n, the same ℓ, and the same ml, then they are in the same orbital. the pauli exclusion principle states that no two identical fermions (a fancy word for electrons and other subatomic particles like electrons) may occupy the same quantum state in an atom simultaneously.

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acids are substances that ionize (break off) in an aqueous solution to produce hydrogen (h+) ions

explanation:

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