Chemistry
Chemistry
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Chemistry CH 6 Test Each Solution Offered Is On Point And Impeccable, Meeting The Standards Of The Examination Impeccably.
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John Newlands - Answer -arranged elements by increasing atomic mass 
-noticed the repetition of properties every eighth element 
-created the law of octaves 
Mendeleev - Answer -demonstrated a connection between atomic mass and elemental 
properties 
-arranged the elements in order of increasing atomic mass 
-predicted the existence and properties of undiscovered elements 
Moseley - Answer -Discovered that atoms contain a unique number of protons called the 
atomic number 
-Arranged elements in ...
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Kinetics Test Each Solution Offered Is Spot-On And Impeccable, Meeting The Criteria For Success In The Examination.
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A burning splint will burn more vigorously in pure oxygen than in air because____. 
A) oxygen is a reactant in combustion and concentration of oxygen is higher in pure oxygen than 
is in air 
B) oxygen is a catalyst for combustion 
C) oxygen is a product of combustion 
D) nitrogen is a product of combustion and the system reaches equilibrium at a lower 
temperature 
E) nitrogen is a reactant in combustion and its low concentration in pure oxygen catalyzes the 
combustion - Answer A) oxygen is a ...
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Chemistry Unit 2 Terms Every Answer Given Is Accurate And Flawless, Completely Fulfilling The Expectations Of The Test.
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Atomic model - Answer Representation of an atom showing its nucleus and orbiting 
electrons. 
Proton - Answer Positively charge subatomic particle found in the nucleus. 
Neutron - Answer neutrally subatomic particle found in the nucleus. 
electron - Answer negatively charged subatomic paticle found in orbit around the nucleus 
subatomic - Answer within the atom 
pure substance - Answer 1 consistent particle (1 formula throughout). 
Mixture - Answer 
Homeogenous mixtures - Answer same consistency...
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Periodic Table- You Need A Periodic Table To Play (2023) All Responses Are Precise And Faultless, Offering Exactly What Is Needed For The Assessment.
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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...
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Chapter 3 Vocabulary Each Solution Provided Is Flawless And Accurate, Perfectly Addressing The Requirements Of The Examination.
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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...
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Chemistry Chapter 10 Every Answer Is Correct And Impeccably Delivered, Meeting The Demands Of The Test.
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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...
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Periodic Table (The Periodic Table) Every Group Correctly Containing Its Metals
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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...
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Chapter 6 Study Guide Each Solution Presented Is Spot-On And Flawless, Fulfilling The Criteria For The Examination.
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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...
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Chapter 19 Kevin + Xaina Every Response Given Is Exact And Flawless, Providing The Necessary Information For The Test
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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...
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Unit 8-Matter And Energy (Energy Terms Only) With Correct Definitions
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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...
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