Column A

1.
An atom that has become charged because it has lost or gained electrons.:
An atom that has become charged because it has lost or gained electrons.
2.
A positively charged ion.:
A positively charged ion.
3.
The ability of an atom to attract or pull on electrons towards itself in a chemical bond.:
The ability of an atom to attract or pull on electrons towards itself in a chemical bond.
4.
An electron in the outermost energy level, which is involved in bonding.:
An electron in the outermost energy level, which is involved in bonding.
5.
A bond formed when electrons are shared between two nonmetals.:
A bond formed when electrons are shared between two nonmetals.
6.
A negatively charged ion.:
A negatively charged ion.
7.
A bond formed when electrons are transferred from a metal to a nonmetal.:
A bond formed when electrons are transferred from a metal to a nonmetal.
8.
A chemical reaction that involves an electron transfer between two different chemical species in a reaction.:
A chemical reaction that involves an electron transfer between two different chemical species in a reaction.
9.
The gain of electrons in a redox reaction.:
The gain of electrons in a redox reaction.
10.
The loss of electrons in a redox reaction.:
The loss of electrons in a redox reaction.
11.
A number that represents an atom's ability to acquire, donate, or share electrons.:
A number that represents an atom's ability to acquire, donate, or share electrons.
12.
A solid that forms when a chemical reaction occurs in a solution.:
A solid that forms when a chemical reaction occurs in a solution.
Column B
a.Ionic bond
b.Valence electron
c.Oxidation number
d.Precipitate
e.Covalent bond
f.ion
g.Reduction
h.Oxidation
i.Cation
j.Anion
k.Redox reaction
l.Electronegativity

Let's match the terms in Column A with their respective definitions or concepts in Column B:

1. An atom that has become charged because it has lost or gained electrons: f. ion
2. A positively charged ion: i. cation
3. The ability of an atom to attract or pull on electrons towards itself in a chemical bond: l. Electronegativity
4. An electron in the outermost energy level, which is involved in bonding: b. Valence electron
5. A bond formed when electrons are shared between two nonmetals: e. Covalent bond
6. A negatively charged ion: j. anion
7. A bond formed when electrons are transferred from a metal to a nonmetal: a. Ionic bond
8. A chemical reaction that involves an electron transfer between two different chemical species in a reaction: k. Redox reaction
9. The gain of electrons in a redox reaction: g. Reduction
10. The loss of electrons in a redox reaction: h. Oxidation
11. A number that represents an atom's ability to acquire, donate, or share electrons: c. Oxidation number
12. A solid that forms when a chemical reaction occurs in a solution: d. Precipitate

These matches align each concept from Column A with the correct terminology from Column B.