Question

Match the following terms with the correct definitions

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

Answer 1

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