Math the following terms with the correct definition

Question

Column A
1.
atom:
atom
2.
element:
element
3.
ion:
ion
4.
mass number:
mass number
5.
stable:
stable
Column B
a.the sum of the protons and neutrons that make up the nucleus of an atom
b.a pure substance that cannot be changed into simpler substances through chemical or physical means
c.the basic unit of a chemical element
d.a charged particle that results when the number of protons and number of electrons differ
e.in atoms, the condition in which a nucleus is unlikely to undergo decay

Answer 1

1. atom: c. the basic unit of a chemical element
2. element: b. a pure substance that cannot be changed into simpler substances through chemical or physical means
3. ion: d. a charged particle that results when the number of protons and number of electrons differ
4. mass number: a. the sum of the protons and neutrons that make up the nucleus of an atom
5. stable: e. in atoms, the condition in which a nucleus is unlikely to undergo decay