The Quantum Mechanical model of electrons within an atom says

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Explanation:

According to the wave mechanical model of the atom, electrons in the atom exhibit wavelike properties.

Unlike in Bohr's model where electrons were believed to be found in orbits of specified energy, electrons are found in orbitals which are defined as regions in space within which there is a high probability of finding an electron in accordance with the Heisenberg uncertainty principle.

An orbital is described by four sets of quantum numbers.

pure water does not conduct electricity very well. however, when certain substances are dissolved in water, the solution does conduct electricity. you can make a simple device that shows how well a solution conducts electricity. this device uses a flashlight bulb to indicate how well the solution conducts electricity. the better the solution conducts electricity, the brighter the bulb will glow.

explanation: