How many protons and neutrons are contained in the nucleus...

How many protons and neutrons are contained in the nucleus of each of the following atoms? In an atom of each element, how many electrons are present? $\begin{array}{ll}{\text { a. } ^{41}_{2} \mathrm{Ti}} & {\text { d. } ^{86}_{36}\mathrm{Kr}} \\ {\text { b. }_{30}^{64} \mathrm{Zn}} & {\text { e. }^{75}_{ 33} \mathrm{As} } \\{\text { c. }^{76}_{32} \mathrm{Ge}} & {\text { f. }^{41}_{19} \mathrm{K}}\end{array}$

How many protons and neutrons are contained in the nucleus of each of the following atoms? In an atom of each element, how many electrons are present?
$\begin{array}{ll}{\text { a. } ^{41}_{2} \mathrm{Ti}} & {\text { d. } ^{86}_{36}\mathrm{Kr}} \\ {\text { b. }_{30}^{64} \mathrm{Zn}} & {\text { e. }^{75}_{ 33} \mathrm{As} } \\{\text { c. }^{76}_{32} \mathrm{Ge}} & {\text { f. }^{41}_{19} \mathrm{K}}\end{array}$

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Key Concepts

Electron Configuration in Neutral Atoms

In neutral atoms, the number of electrons equals the number of protons, as the negatively charged electrons balance the positively charged protons. This concept is crucial for understanding the chemical behavior and reactivity of elements.

Nucleus Composition

The composition of an atom's nucleus is fundamental to understanding its properties. The number of protons (atomic number) defines the element, while the addition of neutrons (mass number minus atomic number) contributes to the isotopic form and overall mass of the atom.

Atomic Number

The atomic number is the number of protons in the nucleus of an atom. It uniquely identifies each element and determines its position on the periodic table. In neutral atoms, the atomic number also indicates the number of electrons surrounding the nucleus.

Mass Number

The mass number represents the total number of protons and neutrons in an atom's nucleus. It is important for identifying isotopes of an element and is used to calculate the number of neutrons by subtracting the atomic number from the mass number.

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