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Science TNSB Mentoring
Class 9
Atomic structure
Atomic structure and chemical reactivity
4.
Subatomic particles
Question:
3
m.
Answer variants:
Cathode
Positive
Both electron and neutron
Negative
1
.
When an electron is removed from a neutral atom, it becomes
.
2
.
of all elements have identical characteristics.
3
.
In a neutral atom, the positive charges are equal to the charges of
.
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