QuestionFind the mass number of xenon with 54 protons and 75 neutrons. Use the formula: mass number = protons + neutrons.

Studdy Solution

STEP 1

Assumptions1. The atom is of Xenon. The number of protons in the atom is543. The number of neutrons in the atom is75

STEP 2

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

STEP 3

Now, plug in the given values for the number of protons and the number of neutrons to calculate the mass number.
$Mass\, number =54 +75$

STEP 4

Calculate the mass number.
$Mass\, number =54 +75 =129$ The mass number for an atom of xenon containing54 protons and75 neutrons is129.

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