An atom has 44 protons, 44 electrons and 62 neutrons. Which symbol below correctly represents this atom?Question 11Answer106Ru62Ru62Tb106Tb150Ru

Break Down the Problem

1. Identify the atomic number and mass number of the atom based on the given information.
2. Determine the correct chemical symbol from the provided options.

Relevant Concepts

1. The atomic number (Z) is equal to the number of protons in the nucleus. Here, $Z = 44$.
2. The mass number (A) is the sum of protons and neutrons in the nucleus. Thus, $A = \text{Protons} + \text{Neutrons} = 44 + 62 = 106$.

Analysis and Detail

1. The chemical symbol for an element consists of the element's symbol, with the mass number written in the upper left corner and the atomic number in the lower left corner:

   $\text{Element}^{\text{Mass Number}}_{\text{Atomic Number}}$

2. For this atom:

   • Atomic Number = 44 corresponds to Ruthenium (Ru).
   • Mass Number = 106.

   Therefore, the symbol would be represented as:

   $_{44}^{106}\text{Ru}$

Verify and Summarize

1. The options provided are:

   • $\text{106Ru}$
   • $\text{62Ru}$
   • $\text{62Tb}$
   • $\text{106Tb}$
   • $\text{150Ru}$

2. From the analysis, we have $_{44}^{106}\text{Ru}$. The only symbol that matches both the atomic and mass number for Ruthenium correctly in the options is:

   • $\text{106Ru}$

Final Answer

The correct symbol representing this atom is 106Ru.