Question

Match the following terms with the correct definitions.
Column A
1. atomic number:
2. electron:
3. electron cloud:
4.mass number:
5. neutron:
6. nucleus:
7. proton:
Column B
a. the center of the atom, composed of protons and neutrons
b. the area of the atom outside of the nucleus
c. a negatively charged subatomic particle that is located outside of the nucleus
d. a neutral subatomic particle
e. the sum of the protons and neutrons in an atom
f. a positively charged subatomic particle
g. indicates the number of protons in an atom of an element

Answer 1

1. atomic number: g. indicates the number of protons in an atom of an element
2. electron: c. a negatively charged subatomic particle that is located outside of the nucleus
3. electron cloud: b. the area of the atom outside of the nucleus
4. mass number: e. the sum of the protons and neutrons in an atom
5. neutron: d. a neutral subatomic particle
6. nucleus: a. the center of the atom, composed of protons and neutrons
7. proton: f. a positively charged subatomic particle