1-2-2 Protons, Neutrons, and Electrons - How Atoms Differ
Quiz by Lori Stroud
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- Q1
All atoms of the same element have the same number of protons.
False
True
30s - Q2
What is the atomic number of Particle 3?
5
6
3
11
60s - Q3
Which particles are isotopes of the same element? (Hint: isotopes have same # of protons, but DIFFERENT # of neutrons)
2 and 4
1 and 2
3 and 4
2 and 3
120s - Q4
Which particle is an ion?
Particle 1
Particle 4
Particle 3
Particle 2
120s - Q5
Atoms of one element cannot be changed into atoms of another element.
True
False
30s - Q6
An element's average atomic mass is calculated using the masses of its _____.
electrons
neutrons
protons
isotopes
60s - Q7
Which reaction starts with a neutron and results in the formation of a proton and a high-energy electron?
alpha decay
gamma decay
beta decay
60s - Q8
Ions form when atoms lose or gain electrons.
False
True
45s - Q9
an atom that is no longer neutral because it has gained or lost electrons
isotope
ion
radioactive
element
45s - Q10
atoms of the same element that have different numbers of neutrons
radioactive
element
ion
isotope
45s - Q11
the sum of the number of protons and neutrons in an atom
mass number
atomic number
average weight
average atomic mass
45s - Q12
the average mass of the element's isotopes, weighted according to the abundance of each isotope
mass number
average atomic weight
atomic number
average atomic mass
45s - Q13
elements that spontaneously emit radiation
nuclear decay
ions
radioactive
isotopes
45s - Q14
a process that occurs when an unstable atomic nucleus changes into another more stable nucleus by emitting radiation
nuclear decay
radioactivity
ionization
45s - Q15
the number of protons in an atom of an element
average atomic mass
atomic weight
atomic mass
atomic number
45s
