Neutrons Question Preview (ID: 53001)


Determination Of The # Of Neutrons From Atomic # And Mass. TEACHERS: click here for quick copy question ID numbers.

#neutrons in oxygen with atomic #8 and mass 15.999
a) 16
b) 9
c) average of 7.999 and probably 8 in primary isotope
d) 7

#neutrons in copper with atomic #30 and mass 65.39
a) average of 35.39 and at least 2 common isotopes
b) 30
c) 65
d) 35

#neutrons in copper with atomic #18 and mass 39.948
a) 18
b) average of 21.958 and probably 22 in primary isotope
c) 40
d) 21

#neutrons in copper with atomic #29 and mass 63.546
a) 29
b) 64
c) average of 63.546 and probably at least two isotopes
d) none of the other answers

#neutrons in sodium with atomic #11 and mass 22.99
a) average of 11.99 and probably 12 in primary isotope
b) 11
c) 23
d) 12

# of neutrons in uranium with atomic #92 and mass 238.03
a) 238
b) 92
c) average of 146.03 and probably 146 in primary isotope
d) 235

# of neutrons in C with atomic #6 and atomic mass 12.011
a) average of 6.011 and probably 6 in primary isotope
b) 7
c) 12
d) 18

# of neutrons in Cl with atomic 17 and atomic mass 35.453
a) average of 18.453 with more than one abundant isotope
b) 18
c) 17
d) 35

# of neutrons in H with atomic #1 and atomic mass 1.008
a) average of 1.008 and probably 1 in primary isotope
b) 1
c) average of 0.008 and probably 0 in primary isotope
d) 2

# of neutrons in F with atomic #9 and atomic mass 18.998
a) 19
b) average of 9.998 and probably 10 in primary isotope
c) 9
d) 10

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