Magnesium chloride forms crystals. Which option is a description of this form of magnesium chloride?
A. A liquid made up of a highly organized set of particles
B. A solid made up of a highly organized set of particles
C. Magnesium and chlorine atoms
D. Ions arranged randomly

Match these items. 1. coulombs __force 2. ohms __emf 3. centimeters __resistance 4. newtons __charge 5. volts __length

Difference between series and parallel circuits

Abaseball is thrown from the outfield toward the catcher. when the ball reaches its highest point, which statement is true? (a)its velocity is not zero, but its acceleration is zero. (b) its velocity and its acceleration are both zero. (c) its velocity is perpendicular to its acceleration. (d) its acceleration depends on the angle at which the ball was thrown. (e) none of the above statements are true.