On the basis of their electron configurations, predict the formula of the simple binary ionic compounds likely to form when the following pairs of elements react with each other.

aluminum, Al, and sulfur, S

radium, Ra, and oxygen, O

calcium, Ca, and fluorine, F

cesium, Cs, and nitrogen, N

rubidium. Rb, and phosphorus. P

(a)

Interpretation:

On the basis of electron configuration, the simple binary ionic compound formed when the given pair of elements reacts with each other is to be stated.

Concept Introduction:

The distribution of the electrons that exists in the atomic orbital of an atom is collectively known as electron configuration. The description of every electron in an orbital is given by the electron configuration of that atom.

Atoms lose or gain electrons to become stable by attaining nearest noble gas configuration. While doing so, they are converted to their respective ions. The positive ion and the negative ion combine to form their corresponding salt.

The electron configuration of aluminum with Z=13 is 1s22s22p63s23p1.

The electron configuration of sulfur with Z=16 is 1s22s22p63s23p4.

Aluminum loses 3 electrons to form Al3+ and attains noble gas configuration of neon

(b)

Interpretation:

On the basis of electron configuration, the simple binary ionic compound formed when the given pair of elements reacts with each other is to be stated.

Concept Introduction:

The distribution of the electrons that exists in the atomic orbital of an atom is collectively known as electron configuration. The description of every electron in an orbital is given by the electron configuration of that atom.

Atoms lose or gain electrons to become stable by attaining nearest noble gas configuration. While doing so, they are converted to their respective ions. The positive ion and the negative ion combine to form their corresponding salt.

(c)

Interpretation:

On the basis of electron configuration, the simple binary ionic compound formed when the given pair of elements reacts with each other is to be stated.

Concept Introduction:

The distribution of the electrons that exists in the atomic orbital of an atom is collectively known as electron configuration. The description of every electron in an orbital is given by the electron configuration of that atom.

Atoms lose or gain electrons to become stable by attaining nearest noble gas configuration. While doing so, they are converted to their respective ions. The positive ion and the negative ion combine to form their corresponding salt.

(d)

Interpretation:

On the basis of electron configuration, the simple binary ionic compound formed when the given pair of elements reacts with each other is to be stated.

Concept Introduction:

The distribution of the electrons that exists in the atomic orbital of an atom is collectively known as electron configuration. The description of every electron in an orbital is given by the electron configuration of that atom.

Atoms lose or gain electrons to become stable by attaining nearest noble gas configuration. While doing so, they are converted to their respective ions. The positive ion and the negative ion combine to form their corresponding salt.

(e)

Interpretation:

On the basis of electron configuration, the simple binary ionic compound formed when the given pair of elements reacts with each other is to be stated.

Concept Introduction:

The distribution of the electrons that exists in the atomic orbital of an atom is collectively known as electron configuration. The description of every electron in an orbital is given by the electron configuration of that atom.

Atoms lose or gain electrons to become stable by attaining nearest noble gas configuration. While doing so, they are converted to their respective ions. The positive ion and the negative ion combine to form their corresponding salt.