How Atoms Differ
Quiz by Cheryl Morton
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Why are all atomic masses not nearly whole numbers?
29this is due to the mass of all the electrons in the atom
this is because of experimental error
this is due to binding energy of the atoms
This is because atomic masses are the weighted average of the masses of all naturally occurring isotopes.
- Q1
Why are all atomic masses not nearly whole numbers?
this is due to the mass of all the electrons in the atom
this is because of experimental error
this is due to binding energy of the atoms
This is because atomic masses are the weighted average of the masses of all naturally occurring isotopes.
300s112.35.c.6.c - Q2
The atomic number of an element is defined by its number of __________
nuclei
electrons
neutrons
protons
300s112.35.c.6.c - Q3
the sum of the protons and neutrons in a nucleus is ___________________
element number
Avagadro's number
atomic number
mass number
300s112.35.c.6.c - Q4
which of the following is true for any atom?
mass number = number of protons = number of neutrons
atomic number = number of protons=number electrons
mass number - number of protons = number of electrons
atomic number = number of neutrons = number of electrons
300s112.35.c.6.c - Q5
how is the atomic mass unit (amu) defined?
1/12 the mass of a carbon - 12 atom
1/13 the mass of a carbon - 13 atom
1/14 the mass of a nitrogen - 14 atom
1/16 the mass of a oxygen - 16 atom
300s112.35.c.6.c