What element has more protons than fluorine but less than sodium.

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An uncharged nonconductive hollow sphere of radius 18.0 cm surrounds a 12.0 µc charge located at the origin of a cartesian coordinate system. a drill with a radius of 1.00 mm is aligned along the z axis, and a hole is drilled in the sphere. calculate the electric flux through the hole.

What is the magnitude of the resultant vector round your answer to the nearest tenth

What will a positive and a negative charge do if they are separated from each other?