PH3 looks just like ammonia NH3 with a lone pair and 3 hydrogens in a pyramidal formation.
<span>In PH3 the P has 3 bond pairs and 1 lone pair, (4 total pairs). The shape is called trigonal pyramidal (approximately tetrahedral minus one atom).
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Physical change there is no energy lost or gain. Basically the physical change is the change of state like melting
Water: solute
alcohol: solvent
solution: a uniform mixture that has a solvent and at least one solute
solvent: the part of the solution with the largest amt
solute: the substance that is dissolved in a solution
In chemistry, the molar mass of a chemical compound is defined as the mass of a sample of that compound divided by the amount of substance in that sample, measured in moles. It is the mass of 1 mole of the substance or 6.022×10²³ particles, expressed in grams.
