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For the symbol \(H\), \(D\) and \(T\) tabulate three sub-atomic particles found in each of them.
 
Symbols
Elements
H
D
T
 
Mass number
Subatomic particles
Atomic number \(=\)
 
Protons  \(=\)
 
Electrons  \(=\)
 
Neutrons \(=\)
Atomic number  \(=\)
 
Protons  \(=\) 
 
Electrons  \(=\) 
 
Neutrons  \(=\) 
Atomic number  \(=\)
 
Protons  \(=\)
 
Electrons  \(=\)
 
Neutrons  \(=\)
Answer variants:
3
\(_{1}\textrm{H}^{3}\)
2
\(_{1}\textrm{H}^{2}\)
0
\(_{1}\textrm{H}^{1}\)
1
4