Question detail
Why do atoms have no overall electrical charge when the number of electrons equals the number of protons?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes
Question
Why do atoms have no overall electrical charge when the number of electrons equals the number of protons?
Answer
Atoms have no overall electrical charge because the positive charge of protons cancels out the negative charge of electrons, resulting in a neutral atom.
Explanation
This answer effectively explains the balance of charges in an atom, demonstrating understanding of the relationship between protons and electrons. The question tests understanding of atomic structure and charge neutrality.
Common mistake
Common Mistake on Neutron Charge
Students often state that the relative electrical charge of a neutron is +1.
Remember that a neutron has no charge, so the correct relative electrical charge is 0.
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