2-Sobre os elétrons
A) possuem cargas positivas e massa elevada
B) possuem cargas positivas...
2-Sobre os elétrons
A) possuem cargas positivas e massa elevada
B) possuem cargas positivas e massa, praticamente desprezível
C) possuem cargas negativas e massa, praticamente desprezível
D) possuem cargas negativas e massa elevada
3-Sobre os prótons
A) possuem cargas positivas e massa elevada
B) possuem cargas positivas e massa, praticamente desprezível
C) possuem cargas negativas e massa, praticamente desprezível
D) Possuem cargas negativas e massa elevada
Answers: 2
Chemistry, 21.06.2019 20:30
In which layer of earth do most earthauakes occur a_ inner core b_outer core c_mantle d_crust
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Chemistry, 22.06.2019 02:10
26. of of (aq) by (aq) is . if 50.00 ml of 1.05 m is to 25.00 ml of 1.86 m ,at be? ( no is toina of aof) , h.. (p. ). . .
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Chemistry, 22.06.2019 17:00
Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.
Answers: 2
Chemistry, 22.06.2019 19:00
How many liters of ethylene glycol antifreeze (c2h6o2), with a density of 1.100 g/l, would you add to your car radiator containing 15.0 kg of water if you needed to protect your engine to - 21.5°c? for water, kf = 1.86°c m -1.
Answers: 1
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