Chemistry, 19.09.2019 21:30 laiahlott

Which of these are ionic compounds? check all that apply.
a) nh4cl
b) so2
c) icl
d) rbi
e) bao
f) nh3

Answers: 2

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Answer from: hayleylaw2018

Among the given compounds, A) $\text{NH}_4\text{Cl}$ , D) RbI, E) BaO are ionic compounds.

Further Explanation:

Chemical bonds are the attractive forces that enable the formation of compounds or molecules. The compounds resulting from such bonds are chemical compounds. These bonds form due to the mutual sharing of electrons or electron transference.

Covalent bond

The chemical bond formed as a result of mutual sharing of electrons between the atoms is called the covalent bond. This bond is usually formed between two or more non-metals. It is responsible to form covalent compounds in nature.

Ionic bond

The chemical bond formed as a result of electron transfer from one atom to another is an ionic bond. It leads to the formation of ionic compounds. It involves the formation of ions. The positively charged ions or cations are formed by the loss of electrons from the atom. Anions or negatively charged ions are formed when a neutral atom gains electrons. This bond is generally formed between metals and non-metals.

Electronegativity difference $(\Delta\text{EN})$ is a key factor in predicting whether a bond is polar or nonpolar. If $\Delta\text{EN}$ is less than 0.4, the bond is a nonpolar covalent bond. If $\Delta\text{EN}$ is between 0.4 and 1.7, the bond is a polar covalent bond. If $\Delta\text{EN}$ comes out to be greater than 1.7, the bond is ionic.

A) $\text{NH}_4\text{Cl}$

In $\text{NH}_4\text{Cl}$ , chlorine is a highly electronegative element so there is an electronegativity difference in the bonded atoms in this molecule. Therefore $\text{NH}_4\text{Cl}$ is an ionic compound.

B) $\text{SO}_2$

In $\text{SO}_2$ , both sulfur and oxygen are nonmetals so this is a covalent bond.

C) ICl

The electronegativity of chlorine is 3.0 while that of iodine is 2.5 so their electronegativity difference in ICl comes out to be 0.5 and this molecule is a polar covalent compound.

D) RbI

Rubidium is metal while iodine is a nonmetal so the bond formed between Rb and I is an ionic bond. Therefore RbI is an ionic compound.

E) BaO

Barium is metal whereas oxygen is a nonmetal so the bond formed between Ba and O is an ionic bond. Therefore BaO is an ionic compound.

F) $\text{NH}_3$

Both nitrogen and hydrogen are nonmetals so $\text{NH}_3$ is a covalent compound.

Therefore $\text{NH}_4\text{Cl}$ , BaO, and RbI are ionic compounds.

Learn more:

Identification of ionic bonding: What type of bond exists between phosphorus and chlorine?

Answer details:

Grade: High School

Chapter: Ionic and covalent compounds

Subject: Chemistry

Keywords: ionic bond, covalent bond, nitrogen, hydrogen, NH3, BaO, RbI, ICl, NH4Cl, SO2, metals, nonmetals.

Answer from: Quest

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Answer from: Quest

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Which of these are ionic compounds? check all that apply.
a) nh4cl
b) so2
c) icl<...

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