CHEM 1030 ACS Final Exam Questions With Correct
Answers
Proton - CORRECT ANSWER✔✔-A positively charged particle found in the nucleus
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of an atom
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Neutron - CORRECT ANSWER✔✔-A small particle in the nucleus of the atom, with
| | | | | | | | | | | |
no electrical charge
| | |
Electrons - CORRECT ANSWER✔✔-negatively charged particles that orbit the
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nucleus in the atomic shells
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atomic shells - CORRECT ANSWER✔✔-Energy levels of atoms from which
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electrons occupy. (Electron cloud)
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atomic number - CORRECT ANSWER✔✔-the number of protons in the nucleus of
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an atom (Z)
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periodic table - CORRECT ANSWER✔✔-an arrangement of elements in which the
| | | | | | | | | | |
elements are separated into groups based on a set of repeating properties
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Nuclide - CORRECT ANSWER✔✔-general term for any isotope of any element
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mass number (atomic mass) - CORRECT ANSWER✔✔-the sum of the number of
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neutrons (N) and protons (Z) in an atomic nucleus
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, A Z X - CORRECT ANSWER✔✔-A = mass number
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Z = atomic number
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X = chemical symbol
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Isotope - CORRECT ANSWER✔✔-Atoms of the same element that have different
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numbers of neutrons (mass number)
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What never changes in an atom - CORRECT ANSWER✔✔-number of protons
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atomic mass - CORRECT ANSWER✔✔-The average mass of all the isotopes of an
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element (amu) |
fractional abundance of an isotope - CORRECT ANSWER✔✔-fraction of the total
| | | | | | | | | | |
number of atoms of an element that is composed of a particular isotope
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average atomic mass - CORRECT ANSWER✔✔-the weighted average of the atomic
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masses of the naturally occurring isotopes of an element
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Periods - CORRECT ANSWER✔✔-Horizontal rows on the periodic table
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groups/families - CORRECT ANSWER✔✔-Vertical columns on the periodic table
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Metals - CORRECT ANSWER✔✔-good conductors of heat and electric current.
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Concentrated towards the left side of the periodic table
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Answers
Proton - CORRECT ANSWER✔✔-A positively charged particle found in the nucleus
| | | | | | | | | |
of an atom
| | |
Neutron - CORRECT ANSWER✔✔-A small particle in the nucleus of the atom, with
| | | | | | | | | | | |
no electrical charge
| | |
Electrons - CORRECT ANSWER✔✔-negatively charged particles that orbit the
| | | | | | | | |
nucleus in the atomic shells
| | | |
atomic shells - CORRECT ANSWER✔✔-Energy levels of atoms from which
| | | | | | | | | |
electrons occupy. (Electron cloud)
| | |
atomic number - CORRECT ANSWER✔✔-the number of protons in the nucleus of
| | | | | | | | | | | |
an atom (Z)
| |
periodic table - CORRECT ANSWER✔✔-an arrangement of elements in which the
| | | | | | | | | | |
elements are separated into groups based on a set of repeating properties
| | | | | | | | | | |
Nuclide - CORRECT ANSWER✔✔-general term for any isotope of any element
| | | | | | | | | |
mass number (atomic mass) - CORRECT ANSWER✔✔-the sum of the number of
| | | | | | | | | | | |
neutrons (N) and protons (Z) in an atomic nucleus
| | | | | | | |
, A Z X - CORRECT ANSWER✔✔-A = mass number
| | | | | | | |
Z = atomic number
| | |
X = chemical symbol
| | |
Isotope - CORRECT ANSWER✔✔-Atoms of the same element that have different
| | | | | | | | | | |
numbers of neutrons (mass number)
| | | |
What never changes in an atom - CORRECT ANSWER✔✔-number of protons
| | | | | | | | | |
atomic mass - CORRECT ANSWER✔✔-The average mass of all the isotopes of an
| | | | | | | | | | | | |
element (amu) |
fractional abundance of an isotope - CORRECT ANSWER✔✔-fraction of the total
| | | | | | | | | | |
number of atoms of an element that is composed of a particular isotope
| | | | | | | | | | | |
average atomic mass - CORRECT ANSWER✔✔-the weighted average of the atomic
| | | | | | | | | |
masses of the naturally occurring isotopes of an element
| | | | | | | | |
Periods - CORRECT ANSWER✔✔-Horizontal rows on the periodic table
| | | | | | | |
groups/families - CORRECT ANSWER✔✔-Vertical columns on the periodic table
| | | | | | | |
Metals - CORRECT ANSWER✔✔-good conductors of heat and electric current.
| | | | | | | | | |
Concentrated towards the left side of the periodic table
| | | | | | | |
