The Structure of the Atom Answers
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Which statement describes an electron?
A
It has a positive charge and is located in the nucleus.B
It has a positive charge and is located in orbitals around the nucleus.C
It has a negative charge and is located in the nucleus.D
It has a negative charge and is located in orbitals around the nucleus.2
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The diagram below shows some subatomic particles.What is the particle that is labeled with a question mark (?) in the diagram?
A
beta particleB
quarkC
isotopeD
alpha particle4
A particle that travels around the nucleus of an atom in orbitals is called a(n)
A
quark.B
proton.C
neutron.D
electron.5
The mass number of Fe2+ is 56. How many neutrons are there in a single Fe2+ atom?
A
28B
30C
56D
586
Which two particles are found in the nucleus of an atom?
A
neutrons and electronsB
protons and electronsC
protons and neutronsD
neutrons and atoms7
A nitride ion has 7 protons, 8 neutrons, and 10 electrons. What is the overall charge on this ion?
A
–3B
–2C
0D
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