The formal charge on Cl in the structure shown for the perchlorate ion is _____. 
Definitions:
Negative Feedback Loop
A regulatory mechanism in which a 'stimulus' causes an 'output' action that in turn diminishes or stops the original stimulus.
Arrector Pili Muscles
Small muscles attached to hair follicles that cause hair to stand upright (as in "goosebumps") in response to cold or fear.
Sebaceous Glands
Sebaceous glands are small oil-producing glands in the skin that release sebum into hair follicles, lubricating hair and the surface of the skin.
Lamellated Corpuscle
A type of nerve ending in the skin that is sensitive to pressure and vibration, also known as a Pacinian corpuscle.
Q13: Liquids are anisotropic,because their properties are independent
Q14: In the _,electrons are ejected from the
Q27: Vulcanization<br>A)leads to cross-linking of poly-cis-isoprene chains in
Q38: Indicate the type of hybrid orbitals used
Q51: In not more than three lines for
Q51: Which is the net ionic equation for
Q90: Calculate the wavelength of a neutron that
Q95: Pentaborane B<sub>5</sub>H<sub>9</sub>(s)burns vigorously in O<sub>2</sub> to give
Q98: Which one of the following molecules has
Q134: Which type of system may transfer energy,but