ACS Chemistry Final Exam Questions and Answers | 100% Pass
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Module
ACS Chemistry
Institution
ACS Chemistry
ACS Chemistry Final Exam
Questions and Answers | 100% Pass
Layout of an element (mass # & atomic #) - ️️ Correct-
atomic number = - ️️ Correct-# of protons
mass number = - ️️ Correct-# of protons + neutrons
the number of protons in a neutral atom will equal the - ️️ Correct-# o...
Which element is represented by X - ✔️✔️Correct-Chromium
What two subatomic particles have the most mass, but occupy very little of the volume
of an atom - ✔️✔️Correct-protons and neutrons
Define Isoelectronic - ✔️✔️Correct-Having the same amount of electrons
How does a sodium ion differ from a sodium atom? - ✔️✔️Correct-the sodium ion has
fewer electrons
two or more compounds with the same formula but a different arrangement of atoms in
the molecule and different properties - ✔️✔️Correct-isomer
two or more different physical forms in which an element can exist. Graphite, charcoal,
and diamond are all ________ of carbon. - ✔️✔️Correct-allotropes
What makes up an alpha particle? - ✔️✔️Correct-2 protons and 2 neutrons
What did Millikan discover from his oil drop experiments? - ✔️✔️Correct-the magnitude of
the charge on an electron
Periods vs Groups - ✔️✔️Correct-
when an atom of an electropositive atom becomes an ion it..? - ✔️✔️Correct-becomes
larger
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