When an atom gains an electron it becomes

l>The story the the atom. Atoms shedding bits.

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3. Separating atomspage 9Atoms losing bitsThe electrons that whiz around outside the nucleus have a negative charge. Lock are hosted in the atom by the hopeful charge the the nucleus. This electrostatic attraction is part of one of the simple forces that nature – electromagnetism.

Picture 3.1 A neutral atom the loses one electron becomes a confident ion.Neutral atomsIn ordinary matter, the number of electrons in one atom is the same as the variety of protons. The positive and an adverse charges balance each other. Overall, the atom is uncharged (neutral).

However, if something happens to do an atom shed or get an electron then the atom will no much longer be neutral.

Atoms or ionsAn atom the gains or loses an electron becomes an ion. If that gains a an adverse electron, it i do not care a an unfavorable ion. If it loser an electron it becomes a hopeful ion (see page 10 for much more on ions).

When a whole group of atom (usually as component of one insulator) acquire or lose electrons, this will cause static electrical power (see page 11 for more on electrostatics).

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Question 8Look at the number of particles in the atoms below. In every case, decide whether the atom is neutral or charged. In the critical four, friend will must say even if it is it has become an ion and what the net charge is.elementsprotonselectronssodium1111please chooseneutralchargedsodium1110please chooseneutralchargedoxygen89please chooseneutralchargedoxygen88please chooseneutralchargediron2624please chooseatompositive ionnegative ioniron2623please chooseatompositive ionnegative ionhydrogen10please chooseatompositive ionnegative ionhydrogen11please chooseatompositive ionnegative ion