The most abundant isotope of strontium is 38^88 Sr. (4.4) a. How many protons, neutrons, and el

step 1 Hi, we are looking at an isotope of strontium here. And we want to determine the number of proto

The most abundant isotope of strontium is 38^88 Sr. (4.4)...

The most abundant isotope of strontium is ${ }_{38}^{88} \mathrm{Sr}$. (4.4) a. How many protons, neutrons, and electrons are in ${ }_{88}^{88} \mathrm{Sr}$ ? b. What is the atomic symbol of another isotope of strontium with 51 neutrons? c. What is the name and symbol of an atom with the same mass number as in part $\mathbf{b}$ and 50 neutrons?

The most abundant isotope of strontium is ${ }_{38}^{88} \mathrm{Sr}$. (4.4)
a. How many protons, neutrons, and electrons are in ${ }_{88}^{88} \mathrm{Sr}$ ?
b. What is the atomic symbol of another isotope of strontium with 51 neutrons?
c. What is the name and symbol of an atom with the same mass number as in part $\mathbf{b}$ and 50 neutrons?

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Key Concepts

Isobars

Isobars are nuclei of different elements that have the same mass number, meaning they contain the same total number of nucleons (protons and neutrons), but differ in the number of protons. This concept is significant when comparing atoms that share a similar mass but are chemically different.

Chemical Notation

Chemical notation is the method used to represent an atom or isotope using a symbol that includes the element's name, atomic number, and mass number. This standardized form provides essential details about the composition of the atom and is crucial for clear communication in chemistry.

Atomic Structure

Atomic structure is concerned with the configuration of an atom, which includes protons, neutrons, and electrons. The atomic number, which is the number of protons, defines the element and in a neutral atom it also equals the number of electrons. The mass number is the sum of protons and neutrons, indicating the overall mass of the nucleus.

Isotopes

Isotopes are variants of a given element that have the same atomic number but differ in their number of neutrons. This difference leads to variations in the mass number without altering the chemical properties of the element, which is important when distinguishing one isotope from another.

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