Question 1 (1 point)
Match each definition to the correct vocabulary word.
Column A
1.
The number of protons in an atom of an element.:
The number of protons in an atom of an element.
2.
The small, dense, positively charged center of the atom.:
The small, dense, positively charged center of the atom.
3.
A subatomic particle that has no charge (neutral) and is found in the nucleus.:
A subatomic particle that has no charge (neutral) and is found in the nucleus.
4.
The sum of the protons and neutrons that make up the nucleus of an atom.:
The sum of the protons and neutrons that make up the nucleus of an atom.
5.
The positively charged subatomic particle found in the nucleus of an atom.:
The positively charged subatomic particle found in the nucleus of an atom.
6.
The conversion of an atom of one element into an atom of a different element through nuclear changes.:
The conversion of an atom of one element into an atom of a different element through nuclear changes.
7.
The process by which an unstable nucleus releases radiation in the form of particles and/or energy.:
The process by which an unstable nucleus releases radiation in the form of particles and/or energy.
8.
A particle composed of 2 protons and 2 neutrons, often involved in nuclear processes.:
A particle composed of 2 protons and 2 neutrons, often involved in nuclear processes.
9.
A series of nuclear fission reactions, in which the particles produced in one reaction cause the next reaction to occur.:
A series of nuclear fission reactions, in which the particles produced in one reaction cause the next reaction to occur.
Column B
a.Mass Number
b.Radioactive decay
c.Proton
d.Atomic Number
e.Nucleus
f.Neutron
g.Alpha Particle
h.Transmutation
i.Nuclear Chain Reaction
1.d. Atomic Number
2.e. Nucleus
3.f. Neutron
4.a. Mass Number
5.c. Proton
6.h. Transmutation
7.b. Radioactive decay
8.g. Alpha Particle
9.i. Nuclear Chain Reaction