1. Compare simple
and compound radicals.

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Explanation:

Radicals are atoms that have an unpaired electron. They are very reactive and don’t exist for very long. If they react with a molecule, the products of the reaction will be a different molecule and a different radical. If two radicals react the product is a single molecule.

Ions have either gained or lost electrons to end up with a completed outer shell. They tend to strongly attract ions of opposite charge to make ionic compounds.

a solenoid is created by wrapping a l = 90 m long wire around a hollow tube of diameter d = 4.5 cm.   the wire diameter is d = 0.9 mm.   the solenoid wire is then connected to a power supply so that a current of i = 9 a flows through the wire.

randomized variablesl = 90 m

d = 4.5 cm

d = 0.9 mm

i = 9 a                                          

write an expression for the number of turns, n, in the solenoid. you do not need to take into account the diameter of the wire in this calculation.

calculate the number of turns, n, in the solenoid.

write an expression for the length of the solenoid (l2) in terms of the diameter of the hollow tube d.

calculate the length of the solenoid (l2)   in meters.

calculate the magnitude of the magnetic field at the center of the solenoid in teslas.

explanation:

i guess it’s a and b