What subatomic particles are in an uncharged isotope with atomic number 6 and 19 nucleons? 6 p+, 13 n0, 6 e-

Question

7 p+, 13 n0, 6 e-
13 p+, 6 n0, 6 e-
19 p+, 13 n0, 6 e-

Answer 1

To identify the subatomic particles in an uncharged isotope with atomic number 6 and 19 nucleons, we first need to understand the definitions involved:

1. Atomic number (Z): This represents the number of protons (p+) in the nucleus. For atomic number 6, there are 6 protons.
2. Nucleons: This refers to the total number of protons and neutrons (n0) in the nucleus. In this case, there are 19 nucleons.

We can calculate the number of neutrons by using the formula: \[ \text{Number of neutrons} = \text{Total nucleons} - \text{Number of protons} \] So for this isotope: \[ \text{Number of neutrons} = 19 - 6 = 13 \]

Now we have:

• Number of protons (p+) = 6
• Number of neutrons (n0) = 13

In an uncharged atom, the number of electrons (e-) is equal to the number of protons. Therefore, the number of electrons is also 6.

Putting this all together, in the isotope with atomic number 6 and 19 nucleons, there are:

• 6 protons (p+)
• 13 neutrons (n0)
• 6 electrons (e-)

This matches the first option in your list: 6 p+, 13 n0, 6 e-.