Answer:
Atom, smallest unit into which matter can be divided without the release of electrically charged particles. It also is the smallest unit of matter that has the characteristic properties of a chemical element. As such, the atom is the basic building block of chemistry.
Atom: has equal number of +ve charge (protons) and -ve charge electrons and hence atom has charge.
Neutrons (having no charge) and protons are present in nucleus. Electrons keep revolving around the nucleus in different shells.
Answer:
I think it is pound and weight: gravity.
Explanation:
Answer: a. native species
Minhas desculpas, eu não falo português. Espero que você encontre alguém que faça !! Obrigado pelos pontos. :)
