amandalark39 amandalark39

Today at 8:39 PM
Chemistry

Answered

Write the symbol for the element with 10 neutrons with a mass number of A = 19.

Answer :

SvetkaChem SvetkaChem

Today at 8:45 PM

Answer:

F (fluorine)

Explanation:

Mass Number = Number protons + Number neutrons

Mass Number = Atomic number + Number neutrons

19 = Atomic number + 10

Atomic number = 19 - 10 = 9

It is F (fluorine) in the Periodic Table.

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