A. positive ion
B. neutral atom of a metal
C. neutral atom of a non-metal
D. negative ion
Correct Answer:
Option D – negative ion
Explanation
protons = 9
neutrons = 10
electrons = 10
Electronic configuration = 2, 8
Ground state Electronic configuration=2, 7
It means that the atom has gained an electron thereby making it have a negative ion.
When an atom donates an electron, it becomes positively charged.
When an atom accepts an electron, it becomes negatively charged
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