Ch. 3 Review: Question Preview (ID: 10965)

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What is the atomic number of platinum?
a) 78
b) 91
c) 15
d) 84

What is the mass number for the nitrogen-15 isotope?
a) 7
b) 8
c) 14
d) 15

What notation best shows the number of paired and unpaired electrons?
a) nuclear notation
b) orbital box notation
c) noble gas notation
d) electron configuration notation

How many neutrons are in the zinc-67 isotope:
a) 67
b) 65
c) 30
d) 37

How many electrons are there in a bromine ion whose charge is -1?
a) 35
b) 36
c) 80
d) 34

How many unpaired electrons are there in a carbon atom?
a) 1
b) none
c) 3
d) 2

Which orbital is at a lower energy with respect to the filling order?
a) 5f
b) 4s
c) 6p
d) 3d

In the hotel analogy, orbitals correspond to....
a) rooms
b) people
c) floors
d) beds

In the hotel analogy, main energy levels correspond to....
a) people
b) floors
c) rooms
d) beds

The name of the isotope with 33 neutrons and 25 protons is....
a) manganese-58
b) none of these
c) cerium-58
d) arsenic-58

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