aflores0797 aflores0797

Today at 4:17 PM
Chemistry

Answered

A certain atom contains 53 protons, 66 neutrons, and 51 electrons. What is the mass number of this atom?

Answer :

aylin03 aylin03

Today at 4:22 PM

Answer:

The mass number of an element is the sum of protons and neutrons.

Hence, 53+66 =119

The mass number of the atom is 119.

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