What causes an ionic bond to form between sodium and chlorine? Sodium and chlorine atoms share electrons.

Sodium and chlorine atoms switch electrons.

Sodium atoms gain electrons.

Sodium atoms donate electrons.

When applying kirchhoff's rules, one of the essential steps is to mark each resistor with plus and minus signs to label how the electric potential changes from one end of the resistor to the other. the circuit in the drawing contains four resistors, each marked with the associated plus and minus signs. however, one resistor is marked incorrectly. which one is it?

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?

Each neuron shown in this figure innervates a group of muscle fibers. what is the term for a group of muscle fibers innervated by a single neuron?