"Maglev" trains use magnetic fields to levitate the train a few centimeters above the tracks. This design cuts down on friction so that the train can travel
much faster than trains that roll on the tracks. The fastest maglev train is an
experimental Shinkansen train consisting of three cars. This train has reached a
speed of 550 km/h. Assume that the mass of this train is 1.33 x 10^5kg and that
the unbalanced force needed to accelerate the train to its top speed is
7.07 x 10^4 N. What is the train's acceleration?

What best explains whether bromine (br) or neon (ne) is more likely to form a covalent bond? bromine forms covalent bonds because it has seven valence electrons, but neon has eight valence electrons and already fulfills the octet rule. bromine forms covalent bonds because it has many electron shells, but neon has only two electron shells and is tightly bound to its electrons. neon forms covalent bonds because it can share its valence electrons, but bromine has seven valence electrons and can gain only one more electron. neon forms covalent bonds because it has only two electron shells, but bromine has many electron shells and will lose electrons in order to fulfill the octet rule.