Calcium chloride is used to make pickles. the calcium atom transfers electrons to chlorine atoms, leading to the formation of chemical bonds. calcium chloride contains bonds. a. covalent b. ionic c. metallic copper atoms are used to produce pennies. the copper atoms in pennies share many electrons. pennies contain bonds. a. covalent b. ionic c. metallic hydrochloric acid is the main acid that break down food in the stomach. the atoms of hydrochloric acid share electrons. hydrochloric acid contains bonds. a. covalent b. ionic c. metallic

Calcium chloride contains ionic bonds.

Pennies contain metallic bonds.

Hydrochloric acid contains covalent bonds.

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Calcium chloride contains ionic bond.

Copper pennies contain metallic bond.

Hydrochloric acid contains covalent bonds.

Explanation:

Covalent bond is a type of chemical bond in which equal sharing of the electrons takes place between both the atoms.When two atoms with slight or zero difference in their electronegatives  gets combined they form covalent bond.

Calcium chloride contain ionic bond.

Ionic bond is a type of chemical bond in which completer transfer of electrons take place between both the atoms. When two atoms with large difference in their electronegatives gets combined they form ionic bond.

Hydrochloric acid has covalent bond.

Metallic bond is type of chemical bonding which holds together the metal atoms. The electrostatic force between the conduction electrons and the positively charged metal ions. In this bonding ,sharing of electrons is extended over the entire molecular structure.

Copper pennies contain metallic bond.

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