Polarization

Two like charges

•  neutralize each other.

• repel each other. 

• must be neutrons. 

• attract each other.

Tags

NGSS.MS-PS2-3

An atom loses an electron.  What type of charge does it have now?

• Positive

• negative

A rubber balloon possesses a positive charge. If brought near and touched to the door of a wooden cabinet, it sticks to the door. This does not occur with an uncharged balloon. These two observations can lead one to conclude that the wall is _____.

• electrically neutral

• negatively charged

• a conductor

• lacking electrons

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

When an object becomes polarized, it acquires a charge and becomes a charged object.

• True

• False

Tags

NGSS.HS-PS3-5

Two electrically charged identical-sized metal spheres, A (charge of -4) and B (charge of +8). If the spheres are brought into contact, which sphere will have a net gain of electrons?

• both A and B

• neither

• only A

• only B

Tags

NGSS.HS-PS3-5