Math

QuestionHow many protons and electrons are in a neutral gold atom (Au\mathrm{Au})? Protons == Electrons ==

Studdy Solution

STEP 1

Assumptions1. We are dealing with a neutral atom of gold (Au). . In a neutral atom, the number of protons equals the number of electrons.
3. The atomic of an element represents the number of protons in an atom of that element.

STEP 2

To find the number of protons in a neutral atom of gold, we need to look at the atomic number of gold. The atomic number of gold (Au) is79.
Numberofprotons=AtomicnumberofgoldNumber\, of\, protons = Atomic\, number\, of\, gold

STEP 3

Plug in the atomic number of gold to calculate the number of protons.
Numberofprotons=79Number\, of\, protons =79

STEP 4

In a neutral atom, the number of protons equals the number of electrons. Therefore, the number of electrons in a neutral atom of gold is also79.
Numberofelectrons=NumberofprotonsNumber\, of\, electrons = Number\, of\, protons

STEP 5

Plug in the number of protons to calculate the number of electrons.
Numberofelectrons=79Number\, of\, electrons =79Number of protons =79Number of electrons =79

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