QuestionDetermine the protons, neutrons, and electrons in the isotope $\frac{35}{17} \mathrm{Cl}$ .

Studdy Solution

STEP 1

Assumptions1. The given isotope is $\frac{35}{17} \mathrm{Cl}$ . . The atomic number (number of protons) is represented by the lower number in the isotope notation.
3. The atomic mass number (number of protons + neutrons) is represented by the upper number in the isotope notation.
4. The number of electrons in a neutral atom is equal to the number of protons.

STEP 2

First, we need to identify the atomic number of the isotope, which is the number of protons. This is represented by the lower number in the isotope notation.
$Atomic\, number = Number\, of\, protons =17$

STEP 3

Next, we need to identify the atomic mass number of the isotope, which is the sum of the number of protons and neutrons. This is represented by the upper number in the isotope notation.
$Atomic\, mass\, number = Number\, of\, protons + Number\, of\, neutrons =35$

STEP 4

We can find the number of neutrons by subtracting the number of protons from the atomic mass number.
$Number\, of\, neutrons = Atomic\, mass\, number - Number\, of\, protons$

STEP 5

Plug in the values for the atomic mass number and the number of protons to calculate the number of neutrons.
$Number\, of\, neutrons =35 -17$

STEP 6

Calculate the number of neutrons.
$Number\, of\, neutrons =35 -17 =18$

STEP 7

The number of electrons in a neutral atom is equal to the number of protons. Therefore, the number of electrons in the isotope is17.
$Number\, of\, electrons = Number\, of\, protons =17$ So, the isotope $\frac{35}{17} \mathrm{Cl}$ has17 protons,18 neutrons, and17 electrons.

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