What causes an electric current in a wire?

a) electrons move because of heat
b) electrons build up in the wire and create a charge
c) electric fields cause atoms to move in the wire
d) electrons flow because of electrical attraction and repulsion

you : 3

Nonmetal halogen family atmoic mass 35

16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 – 4 sentences in your own words to address this question. 18. what type of radiation is emitted when chromium-51 decays into manganese-51? show the nuclear equation that leads you to this answer. 19. a radioactive nucleus alpha decays to yield a sodium-24 nucleus in 14.8 hours. what was the identity of the original nucleus? show the nuclear equation that leads you to this answer.

650.j is the same amount of energy as? 2720cal1550cal650.cal2.72cal