Chemistry Isotopes Solution: The first atoms of seaborgium (Sg) were identified...

Solution: The first atoms of seaborgium (Sg) were identified in 1974. The longest-lived isotope of Sg has a mass number of 266.How many protons, electrons, and neutrons are in an 266Sg atom?

Problem

The first atoms of seaborgium (Sg) were identified in 1974. The longest-lived isotope of Sg has a mass number of 266.

How many protons, electrons, and neutrons are in an 266Sg atom?

Solution

We’re being asked to determine the number of protons, electrons, and neutrons in 266Sg.


An element can be represented as:

Where: 

Atomic number (Z): 

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