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\begin{tabular}{|c|c|c|c|c|c|}
\hline
Isotope name & \begin{tabular}{l}
Atomic \\
number
\end{tabular} & \begin{tabular}{l}
Mass \\
number
\end{tabular} & \begin{tabular}{l}
Number of \\
protons
\end{tabular} & \begin{tabular}{l}
Number of \\
neutrons
\end{tabular} & \begin{tabular}{l}
Isotope \\
symbol
\end{tabular} \\
\hline
xenon-133 & 54 & 133 & 54 & 79 & [tex]${ }_{54}^{133}Xe$[/tex] \\
\hline
selenium-75 & 34 & 75 & 34 & 41 & [tex]${ }_{34}^{75}Se$[/tex] \\
\hline
samarium-153 & \square & \square & \square & \square & \square \\
\hline
\end{tabular}

Sagot :

GinnyAnsweridn
To fill in the missing information for Samarium-153 in the provided table, we will step through the identifying characteristics of the isotope.

1. Isotope Name: Samarium-153 is provided as the isotope we are analyzing.

2. Atomic Number: The atomic number of Samarium (Sm) is known to be 62. This is because each element on the periodic table has a unique atomic number, which represents the number of protons in the nucleus of an atom of the element.

3. Mass Number: The mass number of an isotope is the sum of the protons and neutrons in its nucleus. For Samarium-153, the mass number is given directly in the name of the isotope: 153.

4. Number of Protons: The number of protons in an atom is the same as its atomic number. Thus, Samarium-153 has 62 protons.

5. Number of Neutrons: To find the number of neutrons in the isotope, subtract the atomic number from the mass number. For Samarium-153, this is:
[tex]\[ \text{Number of neutrons} = \text{Mass number} - \text{Atomic number} = 153 - 62 = 91 \][/tex]

6. Isotope Symbol: The isotope symbol is written with the atomic number as a subscript, the mass number as a superscript, and the chemical symbol of the element. For Samarium-153, the isotope symbol is:
[tex]\[ {}_{62}^{153}\text{Sm} \][/tex]

Now we can fill in the missing information for Samarium-153 in the table:

[tex]\[ \begin{tabular}{|c|c|c|c|c|c|} \hline Isotope name & Atomic number & Mass number & Number of protons & Number of neutrons & Isotope symbol \\ \hline xenon-133 & 54 & 133 & 54 & 79 & {}_{54}^{133}\text{Xe} \\ \hline selenium-75 & 34 & 75 & 34 & 41 & {}_{34}^{75}\text{Se} \\ \hline Samarium-153 & 62 & 153 & 62 & 91 & {}_{62}^{153}\text{Sm} \\ \hline \end{tabular} \][/tex]

This provides a detailed and accurate filling of the table based on the given isotope properties for Samarium-153.
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