chemistry
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Popular books chemistry
Michael L. Bishop, Edward P. Fody, Carleen Van Siclen • ISBN 9781284238860
Karen C. Timberlake • ISBN 9780134421353
Carl A. Burtis, David E. Bruns • ISBN 9781455741656
Julia Burdge • ISBN 9781260565850
Latest notes & summaries chemistry
Found in the nucleus of the atom - Answer protons and neutrons 
Found in the rings outside of the nucleus - Answer electrons 
How many electrons fit in the first ring? - Answer 2 
Only 2 electrons fit in the 1st ring. How many fit in all the other rings? - Answer 8 
What do you call the electrons in the outermost ring? - Answer valence electrons 
These are the rows (left - right) on the periodic table - Answer periods 
These are the columns (up and down) on the periodic table - Answer groUPs 
Va...
physical change - Answer any change that changes the form or appearance of a substance 
but does not change it into another substance 
chemical change - Answer when the atoms rearrange to form new substances 
Reactants - Answer substances that undergo the chemical changes 
Products - Answer the new substance that forms 
Precipitate - Answer a solid that forms from liquids during a chemical reaction 
Exothermic reaction - Answer the energy released as the products form is greater than the 
energy...
Change in energy, Production of a gas, Formations of a precipitate, Color change - Answer 
Four evidences of Chemical Reactions 
Precipitate - Answer A solid that settles out of a solution as the result of physical or 
chemical changes 
Color change - Answer A physical change that shows a reaction has occurred 
Chemical equation - Answer A model of a chemical reaction that shows the chemicals 
used (reactants) and the chemicals produced (products); 
Reactants - Answer Left hand side of the equat...
Group 1 - Answer Alkali metals. 
Group 2 - Answer Alkaline earth metals 
Groups 3-12 - Answer transition metals 
metalloids - Answer Found along the 'staircase'. Have properties of both metals and 
nonmetals 
nonmetals - Answer brittle , dull, poor conductors of heat and electricity 
Proton - Answer Positively charged particle in the nucleus of an atom 
Neutron - Answer A subatomic particle that is neutral and that is found in the nucleus of 
an atom 
Electron - Answer A tiny, negatively charg...
Isotopes - Answer Atoms of the same element vary in the numbers of neutrons they have 
in the nucleus. 
Have different masses because of the different numbers of neutrons. 
Crystals - Answer Formed when atoms ionize by transferring electrons from one atom to 
another. 
Ex: sodium chloride, calcium chloride, calcium oxide. 
Moleucles - Answer A cluster of atoms chemically bonded together. 
Ex: water, ammonia, methane, carbon dioxide, propane, and sulfur dioxide. 
Acid Rain - Answer Sulfur dioxide...
Chemical Reaction - Answer Process in which one or more substances, are changed into 
new substances 
Reactants - Answer in a chemical reaction , the substance that reacts 
products - Answer in a chemical reaction the new substance or substances form 
chemical equations - Answer short hand method used to describe chemical reactions using 
chemical formulas and other symbols. 
Coefficients - Answer number in a chemical equation that represents the number of units 
of each substance taking part in...
phase change - Answer a switch between a phase of matter caused by a change in 
temperature or pressure 
average kinetic energy - Answer measure of how quickly particles are moving, measured 
as temperature 
temperature - Answer measure of average kinetic energy 
pressure - Answer the force of pushing or squeezing measure in atmospheres (atm) or 
kiloPascals (kPa) 
endothermic - Answer reaction that absorbs heat, heat enters the reaction and will be 
found on the reactant side of a chemical equa...
Period - Answer Elements in the same ____ have same size atoms. 
Group - Answer Elements in the same ____ have the same number of valence electrons. 
Top - Answer The smallest elements are towards the ___ of the periodic table. 
Bottom - Answer Bigger elements are toward the ___ of the periodic table. 
Transition Metals - Answer The name of the middle section of the periodic table. 
Noble Gases - Answer Group 18 of the periodic table. All electrons in that group have the 
maximum number of elect...
Why is electronic structure important? - Answer All of chem is governed by transfer of 
electrons or the arrangement of electrons. 
How do you study electronic structure? - Answer Use interaction of light with matter to 
study the electronic structure. 
Light - Answer a "wave of energy" that consists of oscillating electric and magnetic fields. 
Frequency - Answer number of complete cycles pf electric fields that pass a given point 
per second. 
Wavelength - Answer distance between successive ...
Rutherford's "Nuclear Atom" - Answer Orbit- defined path around an object. The earth 
travels in an orbit around the sun. Rutherford believed electrons traveled in orbits around the 
atom's nucleus. 
"Quantum Mechanical" Atom - Answer Orbital- a region of space in which an electron 
can be found, with no specific path of travel. Orbitals comprise energy levels in atoms. 
What are the four types of orbitals? - Answer s, p, d, f 
"S" orbitals - Answer -there is one "s" orbital in each en...