Always works Attracts Iron
Core is nickel, cobalt or iron
Normally made of several parts; wire
battery, nail
Requires electricity to work
Used in junk yards to move cars
Usually one solid piece
Time
Remaining
02:09:22
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Electromagnet
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Bar Magnet
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List the two type of transporst that the cell in orde to transport molecules acroos the membrane

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

An atom of lithium (li) and an atom of chlorine (cl) engage in a chemical reaction. which correctly describes the structure of the resulting chemical compound? hint: consider the class of each element. the chemical compound will have a network structure. the chemical compound will have triple bonds. the chemical compound will have a ball-and-stick structure. the chemical compound will have double bonds.