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The Structure of the Atom Questions and Answers 100% Solved
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The Structure of the AtomTHE STRUCTURE OF THE ATOM
Facts & Knowledge - answer An atom is the smallest particle of an element that has the
same properties as that element.
In the middle lies the nucleus.
The exterior contains the Orbitals.
An atom is made of three particles:
protons, electrons, and neutrons.
Proton: +
Electron: -
Neutron:
Describing Properties of Subatomic Particles - answer Use the drop-down menus to
describe the charges of the subatomic particles.
Protons have a (+1) charge.
Neutrons have a (0) charge.
Electrons have a (-1) charge.
In an electrically neutral atom, the number of...
(protons equals the number of electrons.)
Location is Everything - answer Nucleus:
-Protons
-Neutrons
Orbitals:
-Electrons
Different elements = different particle counts and arrangements.
Imagine a ring.
In the middle of this ring, are two Protons, and two Neutrons clumped together.
The electron orbits within that ring.
I believe the ring contains Helium?
Determining the Locations of Subatomic Particles - answer Type the letter that
represents the correct location for each particle type below.
The neutron is found at (B).
, The electron is found at (A).
The proton is found at (B).
Imagine a ring. The neutron and protons sit in the middle. On the outskirts of this ring
lies the electron, which orbits.
Determining the Locations of Subatomic Particles (Continued) - answerName the region
of the atom where protons and neutrons are located. This region is indicated by label B.
(Nucleus)
Name the region of the atom where electrons are located. This region is indicated by
label A. (Orbitals)
Atomic Mass Unit - answerThe atomic mass unit is the unit used to express the mass of
an atom.
-One-twelfth the mass of a C-12 atom.
-Corresponds to 1.660538921 x 10^-24g
The Size of Subatomic Particles - answerProton:
-Mass: 1.673 x 10^-24g
-Mass: 1 amu
Neutron:
-Mass: 1.675 x 10^-24g
-Mass: 1 amu
Electron:
-Mass: 9.109 x 10^-28g
-Mass: 0.0006 amu
Particles That Make Up the Proton and Neutron - answerQuarks are small particles that
make up protons and neutrons.
Identifying Properties of Subatomic Particles - answerProton:
-Approximate mass (amu) = 1
Neutron:
-Approximate mass (amu) = 1
Electron: -Approximate mass (amu) = 0
Identifying Properties of Subatomic Particles (Continued) - answerProton:
-Made of Quarks? (yes)
Neutron:
-Made of Quarks?
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