Answer: Option (a) is the correct answer.
Explanation:
Poly means many and polyatomic ions means an ion(s) with two or more different atoms.
Out of the given options, phosphate ion is the polyatomic ion which has an ionic charge of 3-.
The formula depicting a phosphate ion is .
Whereas Nitrate, Sulfate, Hydroxide
, Bicarbonate does not carry or have a 3- ionic charge.
Its A. the energy is stored within the nuclear of the atom
Answer:
All electric heaters make use of one or more of the fundamental heat transfer mechanisms – namely convection, conduction, or radiation.
For regular...
Conduction is heat transfer by direct contact, like frying an egg. Convection is heat transfer by the movement of gases or liquids, like most home furnaces, clothes dryers, or car heaters. Radiation is the transfer of heat in waves through space, like the sun or a fire.
Answer:
Electric power circuits, appliances and lights
Explanation:
Electrons(shiwhgsvdjdjwvndkshwgvsbdjdhhagdbdjjshwvwb)