Previous letter

---

M

---

magnesium

An element in the periodic table with symbol Mg, atomic number 12, and atomic weight 24.305


Stoichiometry ... Reaction of Magnesium with Carbon Dioxide ... Burning Magnesium in Dry Ice ...
Stoichiometry ... Reaction of Magnesium with Carbon Dioxide ... Molecular Representation ...
Stoichiometry ... Reaction of Magnesium with Carbon Dioxide ... Equivalent Amounts ...
Stoichiometry ... Reaction of Magnesium with Carbon Dioxide ... Excess Carbon Dioxide ...
Stoichiometry ... Reaction of Magnesium with Carbon Dioxide ... Excess Magnesium ...
Combination Reactions ... Hydrogen + Chlorine Cannon ...
Decomposition Reactions ... Electrolysis of Aqueous Solutions ... magnesium nitrate ...
Single Exchange Reactions ... Reaction of Magnesium with Carbon Dioxide ... Burning Magnesium in Dry Ice ...
Single Exchange Reactions ... Reaction of Magnesium with Carbon Dioxide ... Molecular Representation ...

---

manganese

An element in the periodic table with symbol Mn, atomic number 25, and atomic weight 54.938


Combination Reactions ... Reactions of Metals + Iodine ... Manganese ...
Combination Reactions ... Reactions of Metals + Iodine ... Iron ...
Combination Reactions ... Reactions of Metals + Iodine ... Zinc ...

---

mass

A measure of the quantity of matter; the force required to impart unit acceleration to an object.


Gases ... Effusion of Gases ... Helium He ...

---

matter

Anything that occupies space and has mass; contrasted with energy.


Electrical Properties of Matter ...

---

mercury

An element in the periodic table with symbol Hg, atomic number 80, and atomic weight 200.59


Double Exchange Reactions ... Precipitation Reactions ... sodium iodide and mercury(II) chloride ... Molecular Representation ...
Double Exchange Reactions ... Thermodynamic vs Kinetic Control Forming Mercury(II) Iodide ...

---

metal

An element characterized typically by a glossy surface, thermal and electrical conductivity, malleability, and ductility.


Combination Reactions ... Reaction of Potassium and Bromine ...
Combination Reactions ... Reaction of Sodium and Chlorine ...
Combination Reactions ... Reactions of Metals + Iodine ... Aluminum ...
Combination Reactions ... Hydrogen + Chlorine Cannon ...
Combination Reactions ... Oxidation and Reduction of Copper ...
Decomposition Reactions ... Electrolysis of Aqueous Solutions ... tin(II) chloride ...
Single Exchange Reactions ... Thermite Reaction ... Movie ...
Single Exchange Reactions ... Electrochemical Series - Metal Trees ... Metals in Silver Nitrate Solution ... Copper Metal in Silver Nitrate Solution ...
Single Exchange Reactions ... Electrochemical Series - Metal Trees ... Metals in Silver Nitrate Solution ... Zinc Metal in Silver Nitrate Solution ...
Single Exchange Reactions ... Electrochemical Series - Metal Trees ... Metals in Silver Nitrate Solution ... Silver Metal in Silver Nitrate Solution ...
Single Exchange Reactions ... Electrochemical Series - Metal Trees ... Metals in Silver Nitrate Solution ... Cadmium Metal in Silver Nitrate Solution ...
Single Exchange Reactions ... Electrochemical Series - Metal Trees ... Metals in Silver Nitrate Solution ... Lead Metal in Silver Nitrate Solution ...
Single Exchange Reactions ... Electrochemical Series - Metal Trees ... Metals in Copper(II) Nitrate Solution ... Copper Metal in Copper(II) Nitrate Solution ...
Single Exchange Reactions ... Electrochemical Series - Metal Trees ... Metals in Copper(II) Nitrate Solution ... Zinc Metal in Copper(II) Nitrate Solution ...
Single Exchange Reactions ... Electrochemical Series - Metal Trees ... Metals in Copper(II) Nitrate Solution ... Silver Metal in Copper(II) Nitrate Solution ...
Single Exchange Reactions ... Electrochemical Series - Metal Trees ... Metals in Copper(II) Nitrate Solution ... Cadmium Metal in Copper(II) Nitrate Solution ...
Single Exchange Reactions ... Electrochemical Series - Metal Trees ... Metals in Copper(II) Nitrate Solution ... Lead Metal in Copper(II) Nitrate Solution ...
Single Exchange Reactions ... Electrochemical Series - Metal Trees ... Metals in Zinc(II) Nitrate Solution ... Copper Metal in Zinc(II) Nitrate Solution ...
Single Exchange Reactions ... Electrochemical Series - Metal Trees ... Metals in Zinc(II) Nitrate Solution ... Zinc Metal in Zinc(II) Nitrate Solution ...
Single Exchange Reactions ... Electrochemical Series - Metal Trees ... Metals in Zinc(II) Nitrate Solution ... Silver Metal in Zinc(II) Nitrate Solution ...
Single Exchange Reactions ... Electrochemical Series - Metal Trees ... Metals in Zinc(II) Nitrate Solution ... Cadmium Metal in Zinc(II) Nitrate Solution ...
Single Exchange Reactions ... Electrochemical Series - Metal Trees ... Metals in Zinc(II) Nitrate Solution ... Lead Metal in Zinc(II) Nitrate Solution ...
Single Exchange Reactions ... Electrochemical Series - Metal Trees ... Metals in Cadmium Nitrate Solution ... Copper Metal in Cadmium Nitrate Solution ...
Single Exchange Reactions ... Electrochemical Series - Metal Trees ... Metals in Cadmium Nitrate Solution ... Zinc Metal in Cadmium Nitrate Solution ...
Single Exchange Reactions ... Electrochemical Series - Metal Trees ... Metals in Cadmium Nitrate Solution ... Silver Metal in Cadmium Nitrate Solution ...
Single Exchange Reactions ... Electrochemical Series - Metal Trees ... Metals in Cadmium Nitrate Solution ... Cadmium Metal in Cadmium Nitrate Solution ...
Single Exchange Reactions ... Electrochemical Series - Metal Trees ... Metals in Cadmium Nitrate Solution ... Lead Metal in Cadmium Nitrate Solution ...
Single Exchange Reactions ... Electrochemical Series - Metal Trees ... Metals in Lead(II) Nitrate Solution ... Copper Metal in Lead(II) Nitrate Solution ...
Single Exchange Reactions ... Electrochemical Series - Metal Trees ... Metals in Lead(II) Nitrate Solution ... Zinc Metal in Lead(II) Nitrate Solution ...
Single Exchange Reactions ... Electrochemical Series - Metal Trees ... Metals in Lead(II) Nitrate Solution ... Silver Metal in Lead(II) Nitrate Solution ...
Single Exchange Reactions ... Electrochemical Series - Metal Trees ... Metals in Lead(II) Nitrate Solution ... Cadmium Metal in Lead(II) Nitrate Solution ...
Single Exchange Reactions ... Electrochemical Series - Metal Trees ... Metals in Lead(II) Nitrate Solution ... Lead Metal in Lead(II) Nitrate Solution ...
Single Exchange Reactions ... Oxidation and Reduction of Copper ...
Gases ... Atmospheric pressure ...
Electrical Properties of Matter ... Electrical Conductivity ... Introduction (mostly animations) ... The apparatus shorted out ... Animation ...
Electrical Properties of Matter ... Electrical Conductivity ... Solids ... Aluminum ... Movie ...
Electrical Properties of Matter ... Electrical Conductivity ... Solids ... Zinc ... Movie ...

---

mixture

A combination of two or more substances in which the substances retain their chemical identity.


Combination Reactions ... Reactions of Metals + Iodine ... Aluminum ...
Combination Reactions ... Reactions of Metals + Iodine ... Zinc ...
Combination Reactions ... Reactions of Metals + Iodine ... Zinc Iodine Reaction ... Movie of the reaction ...
Combination Reactions ... Reactions of Metals + Iodine ... Aluminum Iodine Reaction ... Movie of the reaction ...
Combination Reactions ... Hydrogen + Chlorine Cannon ...
Single Exchange Reactions ... Thermite Reaction ... Movie ...
Double Exchange Reactions ... Precipitation Reactions ... Introduction ...
Double Exchange Reactions ... Precipitation Reactions ... sodium hydroxide and copper(II) nitrate ... Molecular Representation ...
Double Exchange Reactions ... Precipitation Reactions ... sodium iodide and mercury(II) chloride ... Molecular Representation ...
Double Exchange Reactions ... Precipitation Reactions ... sodium iodide and potassium nitrate ... Molecular Representation ...
Double Exchange Reactions ... Precipitation Reactions ... sodium chloride and silver nitrate ... Molecular Representation ...
Double Exchange Reactions ... Thermodynamic vs Kinetic Control Forming Mercury(II) Iodide ...

---

molecule

A set of atoms joined by covalent bonds and having no net charge.


Stoichiometry ... Exploding Soap Bubbles: Hydrogen + Oxygen ... Excess Hydrogen ...
Combination Reactions ... Hydrogen + Chlorine Cannon ... Hydrogen + Chlorine Animation ...
Electrical Properties of Matter ... Electrostatic Attraction ... Liquids ... Distilled Water ... Molecule of water ...
Electrical Properties of Matter ... Electrostatic Attraction ... Liquids ... Distilled Water ... Rotating molecule of Water ...
Electrical Properties of Matter ... Electrostatic Attraction ... Liquids ... Ethanol ... Molecule of ethanol ...
Electrical Properties of Matter ... Electrostatic Attraction ... Liquids ... Ethanol ... Rotating molecule of ethanol ...
Electrical Properties of Matter ... Electrostatic Attraction ... Liquids ... Acetone ... Molecule of acetone ...
Electrical Properties of Matter ... Electrostatic Attraction ... Liquids ... Acetone ... Rotating molecule of acetone ...
Electrical Properties of Matter ... Electrostatic Attraction ... Liquids ... Dichloromethane ... Molecule of dichloromethane ...
Electrical Properties of Matter ... Electrostatic Attraction ... Liquids ... Dichloromethane ... Rotating molecule of dichloromethane ...
Electrical Properties of Matter ... Electrostatic Attraction ... Liquids ... Tetrachloromethane ... Rotating molecule of tetrachloromethane ...
Electrical Properties of Matter ... Electrostatic Attraction ... Liquids ... Hexane ... Molecule of hexane ...
Electrical Properties of Matter ... Electrostatic Attraction ... Liquids ... Hexane ... Rotating molecule of hexane ...
Electrical Properties of Matter ... Electrostatic Attraction ... Liquids ... Toluene ... Rotating molecule of toluene ...

Next letter.

---

© 1997 Division of Chemical Education, Inc., American Chemical Society. All rights reserved.