Phosphorus trichloride is used in the production of chemicals that keep plants from growing in a specific area. This compound is made of phosphorus and chlorine atoms.
What two symbols would make up the chemical formula of this covalent compound?
O P and C
O P and CI
O Pr and Ce
O Prand Cr

Starting with only the balmer series light (visible light), how could we ensure that the solar panels generate a current that mark can use for his power station? a)by gradually increasing the brightness (amount) of light that we shine on it. b)by gradually increasing the frequency of the light we shine on it. c)by gradually increasing the wavelength of the light that we shine on it.