Concept explainers
Interpretation :
The atom with ion having -2 charge and 18 electrons needs to be identified.
Concept Introduction :
The number of protons present in the nucleus is representing the
Answer to Problem 58A
Explanation of Solution
Ions – it is a charge form of an element, the
The
The atomic number of an element is calculated by the number of protons, and for the mass number, the number of protons and neutrons is required. The number of electrons of an atom can be changed by the loss or gain of electrons.
Chapter 3 Solutions
World of Chemistry
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