Chemistry Questions Fully Solved With 100% Correct Answers.

ion - correct answer a molecule with a charge cation - correct answer a molecule with a positive charge anion - correct answer a molecule with a negative charge solid - correct answer definite shape and volume liquid - correct answer definite volume, takes the shape of its container gas - correct answer indefinite shape and volume plasma - correct answer matter stripped of its electrons that gives of light solution - correct answer made of a solute and solvent heterogeneous - correct answer mixture with unevenly distributed materials (salad dressing) homogeneous - correct answer uniform mixture (minute made lemonade) colloid - correct answer heterogeneous mixture with particles that don't settle suspension - correct answer heterogeneous mixture with visible settling particles synthesis - correct answer A+B→AB decomposition - correct answer AB→A+B single displacement - correct answer AB+C→AC+B double displacement - correct answer AB+CD→AD+BC combustion - correct answer Fuel+O₂→H₂O+CO₂ Mendeleev - correct answer Created the periodic table Groups - correct answer columns on the periodic table Periods - correct answer rows on the periodic table Alkaline metals - correct answer 1st group, soft, reactive, and less dense than most metals Alkaline Earth - correct answer 2nd group, slightly less reactive than 1st group, less dense Transition Metals - correct answer groups 3-12, vary greatly, but mostly hard, +2 charge, not reactive Halogens - correct answer Highly reactive nonmetals, diatomic, 17th group Nobel gasses - correct answer Not reactive, full outer shell, 18th group metals - correct answer elements left of the stair step, Luster, ductile, malleable, good conductors, high density, high melting point, easily loose electrons, corrode easily nonmetals - correct answer elements right of the stair step, lackluster, poor conductor, brittle, not malleable or ductile, low density and melting point, gain electrons metaloids - correct answer elements in the stair step, solid, shiny or dull, ductile, malleable, okay conductors Dalton's atomic theory - correct answer Atoms can't be broken into smaller pieces All atoms of the same element are exactly alike All atoms of different elements are different Atoms of two or more elements can combine to form compounds Atoms of each element have a unique mass The ratio of elements in a compound is always constant Thomson - correct answer Discovered the electron using a Cathode tube, plum pudding Rutherford - correct answer Gold foil experiment, discovered the nucleus Bohr - correct answer experimented with hydrogen, planetary model compound - correct answer made of two or more atoms covalent - correct answer atoms share electrons to fill the outer shell ionic - correct answer atoms gain/loose electrons, become charged, and attract 1 - correct answer mono (only for oxygen) 2 - correct answer di