QuestionFind the number of neutrons in a zinc atom with a mass number of 65. Use the formula: neutrons = mass number - protons ( $65 - 30$ ).

Studdy Solution

STEP 1

Assumptions1. The atom is of Zinc. The mass number of the Zinc atom is653. The atomic number of Zinc is30 (which is the number of protons in a Zinc atom)

STEP 2

The mass number of an atom is calculated by adding the number of protons and neutrons. We can express this as $Mass\, number = Number\, of\, protons + Number\, of\, neutrons$

STEP 3

We are given the mass number and the number of protons (which is the atomic number of Zinc). We can rearrange the equation from2 to solve for the number of neutrons $Number\, of\, neutrons = Mass\, number - Number\, of\, protons$

STEP 4

Now, plug in the given values for the mass number and the number of protons to calculate the number of neutrons.
$Number\, of\, neutrons =65 -30$

STEP 5

Calculate the number of neutrons.
$Number\, of\, neutrons =65 -30 =35$ The atom of Zinc with a mass number of65 has35 neutrons.

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