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2. Atoms & Elements - Part 1 of 4
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2. Atoms & Elements - Part 1 of 4
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2. Atoms & Elements / Subatomic Particles / Problem 4
Problem 4
Identify the symbol, number of protons, and number of neutrons for the unknown isotope
190
78
X
A
#protons = 78, # neutrons = 190, Au
B
#protons = 78, # neutrons = 112, Pt
C
#protons = 112, # neutrons = 190, Cn
D
#protons = 78, # neutrons = 78, Pb
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