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Assumes that covalent bonds are formed when atomic orbitals on different atoms overlap and the electrons are shared.

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Thermonuclear Energy

The energy stored in the nucleus of an atom and released through fission, fusion, or radioactivity. In these processes a small amount of mass is converted to energy according to the relationship E = mc2, where E is energy, m is mass, and c is the speed of light.

Do you know: some mosquitoes bite people because of their clothes

If you have ever been bitten by a mosquito, someone nearby surely gave you an explanation of why the nasty insect decided to spoil your day. Maybe they told you that you smelt good, or you had a certain type of blood or that in that shirt you looked like a potential victim.

Addition Reaction

A reaction in which two atoms or groups of atoms are added to a molecule, one on each side of a double or triple bond. Types of addition reaction include electrophilic, nucleophilic (polar) and free radical addition (non-polar).

Periodicity

Regular periodic variations of properties of elements with atomic number (and position in the periodic table).

Dynamic Equilibrium

An equilibrium in which processes occur continuously, with no net change. When two (or more) processes occur at the same rate so that no net change occurs.

Standard Molar Volume

The volume occupied by one mole of an ideal gas under standard conditions, 22.4liters.

Electroplating

Plating a metal onto a (cathodic) surface by electrolysis.

Electrolyte

A substance whose aqueous solutions conduct electricity.

 

Percent Composition

The mass percent of each element in a compound.

Specific Gravity

The ratio of the density of a substance to the density of water.