A. an ion
The atom gains a net electrical charge if the number of protons and electrons are not equal which makes it an ion.
Answer: kinetic energy
Explanation: kenitic energey is answer1 Awnser2 potentialand 3 is friction
Answer:The levels of classification are as follows (Broadest to
narrowest): Domain, Kingdom, Phylum, Class, Order, Family, Genus,
Species
Explanation:
Elements in the same group have the same amount of electrons.
Elements in the same period have the same amount of atomic orbits.
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