
Interpretation:
The missing number of sub-atomic particles occurring in isotopes of silicon.
Concept Introduction:
Mass number: The number of protons and neutrons present inside the nucleus of atom are known as mass number.
Number of protons: The atomic number of an atom denotes the number of protons.
Number of neutrons: We get number of neutrons from mass number after subtracting number of protons from mass number because mass number is sum of number of protons and neutrons.
Number of electrons: In a neutral atom (non-ionic) the number of electrons is equal to the number of protons.
Given:
The table for three of the naturally occurring isotopes of silicon.
Atomic symbol | |||
Atomic number | |||
Mass number | |||
Number of protons | |||
Number of neutrons | |||
Number of electrons |

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Chapter 4 Solutions
Basic Chemistry
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