The Structure of the Atom CHEM QUIZ
100% CORECT
A particle that orbits the nucleus in an atom is called a(n) - answer Electron
The diagram below shows some subatomic particles. What is the particle that is labeled
with a question mark (?) in the diagram?
beta particle
quark
isotope
alpha particle - answer quark
The table below gives the atomic mass and relative abundance values for the three
isotopes of element M.
(Table chart)
Relative abundance (%) Atomic mass (amu) 78.99 23.9850
10.00 24.9858
11.01 25.9826
What is the average atomic mass (in amu) of element M?
2.86
5.36
24.30
24.98 - answer24.30
A nitride ion has 7 protons, 8 neutrons, and 10 electrons. What is the overall charge on
this ion?
-3
-2
0
+3 - answer-3
The diagram below is an artist's impression of a single atom of element Be. The
neutrons are shown with stripes, the protons are gray, and the electrons are black.
These particles are not drawn to scale.Which element below could be an isotope of this
atom?
sodium-10
beryllium-10
100% CORECT
A particle that orbits the nucleus in an atom is called a(n) - answer Electron
The diagram below shows some subatomic particles. What is the particle that is labeled
with a question mark (?) in the diagram?
beta particle
quark
isotope
alpha particle - answer quark
The table below gives the atomic mass and relative abundance values for the three
isotopes of element M.
(Table chart)
Relative abundance (%) Atomic mass (amu) 78.99 23.9850
10.00 24.9858
11.01 25.9826
What is the average atomic mass (in amu) of element M?
2.86
5.36
24.30
24.98 - answer24.30
A nitride ion has 7 protons, 8 neutrons, and 10 electrons. What is the overall charge on
this ion?
-3
-2
0
+3 - answer-3
The diagram below is an artist's impression of a single atom of element Be. The
neutrons are shown with stripes, the protons are gray, and the electrons are black.
These particles are not drawn to scale.Which element below could be an isotope of this
atom?
sodium-10
beryllium-10
