Chemistry, 28.10.2019 10:31 townselt6855
Um átomo apresenta 13 prótons e 14 nêutrons. a carga do íon estável formado a partir desse átomo será:
a)-2
b)-1
c)+1
d)+2
e)+3
a resposta deu letra (e) não
Answers: 2
Chemistry, 22.06.2019 06:00
One does not belong why? ice, gold ,wood ,diamond and table salt
Answers: 1
Chemistry, 23.06.2019 02:30
Asubstance is held in an open container. its particles move past one another at random speeds but do not leave the container. heat is removed from the system, and the particles slow down. when enough heat is removed, the particles no longer have enough speed to overcome the weak attractive forces between them. when this happens, the substance enters its solid state. the process described above is known as .
Answers: 3
Um átomo apresenta 13 prótons e 14 nêutrons. a carga do íon estável formado a partir desse átomo ser...
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