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How many valence electrons are in an atom of chlorine? - Answer-7 How many valence electrons does aluminum have? - Answer-3 Define Reaction Rate - Answer-The decrease in concentration of reactants or the increase in concentration of products with time. How does increasing temperature affect...
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Add to cartHow many valence electrons are in an atom of chlorine? - Answer-7 How many valence electrons does aluminum have? - Answer-3 Define Reaction Rate - Answer-The decrease in concentration of reactants or the increase in concentration of products with time. How does increasing temperature affect...
mass - Answer-the amount of matter in an object volume - Answer-the amount of space occupied by an object extensive property - Answer-a property that depends on the amount of matter in a sample intensive property - Answer-a property that depends on the type of matter in a sample, not the am...
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Add to cartmass - Answer-the amount of matter in an object volume - Answer-the amount of space occupied by an object extensive property - Answer-a property that depends on the amount of matter in a sample intensive property - Answer-a property that depends on the type of matter in a sample, not the am...
What is the height of a 6 m building in centimeters? - Answer-600 cm A balance is used to measure...? - Answer-mass A sample of bismuth has a mass of 7872 g and a volume of 1.64cm3. WHat is the density of bismuth? - Answer-4.80x10cubed g/cm cubed A measurement is said to have high accuracy ...
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Add to cartWhat is the height of a 6 m building in centimeters? - Answer-600 cm A balance is used to measure...? - Answer-mass A sample of bismuth has a mass of 7872 g and a volume of 1.64cm3. WHat is the density of bismuth? - Answer-4.80x10cubed g/cm cubed A measurement is said to have high accuracy ...
Fission only - Answer-a very large nucleus splits into smaller pieces fission and fusion - Answer-the total mass before a reaction is greater than the mass after a reaction fission only - Answer-the rate of a reaction can be safely controlled for energy generation in suitable vessels. fusio...
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Add to cartFission only - Answer-a very large nucleus splits into smaller pieces fission and fusion - Answer-the total mass before a reaction is greater than the mass after a reaction fission only - Answer-the rate of a reaction can be safely controlled for energy generation in suitable vessels. fusio...
intensive properties - Answer-depends on what type of matter (ex: denisty, composition, atomic structure) extensive properties - Answer-depends on how much matter you have (amount of matter), ex: mass, volume, shape homogenous mixtures - Answer-one phase (part that you can see), individual par...
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Add to cartintensive properties - Answer-depends on what type of matter (ex: denisty, composition, atomic structure) extensive properties - Answer-depends on how much matter you have (amount of matter), ex: mass, volume, shape homogenous mixtures - Answer-one phase (part that you can see), individual par...
Combination Reaction - Answer-2 or more substances react to form a single new substance A + B = AB Decomposition Reaction - Answer-Single compound breaks down into two or more simpler products AB = A + B Single Replacement Reaction - Answer-One element replaces a second element in a compound...
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Add to cartCombination Reaction - Answer-2 or more substances react to form a single new substance A + B = AB Decomposition Reaction - Answer-Single compound breaks down into two or more simpler products AB = A + B Single Replacement Reaction - Answer-One element replaces a second element in a compound...
Thermochemistry - Answer-Branch of chemistry that studies the energy chamges in chemical reactions. Thermal Kinetic Energy - Answer-Motion of particles (either atoms or molecules). Chemical Potential Energy (CPE) - Answer-Stored energy in the bonds between atoms in a molecule. Three types o...
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Add to cartThermochemistry - Answer-Branch of chemistry that studies the energy chamges in chemical reactions. Thermal Kinetic Energy - Answer-Motion of particles (either atoms or molecules). Chemical Potential Energy (CPE) - Answer-Stored energy in the bonds between atoms in a molecule. Three types o...
properties of metals - Answer-shiny, malleable, ductile properties of non metals - Answer-not shiny, malleable ductile chemical changes - Answer-the change in an elements actual chemical makeup physical changes - Answer-a change is the physical condition of an element define matter - Ans...
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Add to cartproperties of metals - Answer-shiny, malleable, ductile properties of non metals - Answer-not shiny, malleable ductile chemical changes - Answer-the change in an elements actual chemical makeup physical changes - Answer-a change is the physical condition of an element define matter - Ans...
photons - Answer-quanta of energy that behave like tiny particles when an electron absorbs energy the atom changes from its _____ state to its ____ state - Answer-ground, excited bohr labeled each _________ in his atomic model by a quantum number. - Answer-energy level that atomic number is...
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Add to cartphotons - Answer-quanta of energy that behave like tiny particles when an electron absorbs energy the atom changes from its _____ state to its ____ state - Answer-ground, excited bohr labeled each _________ in his atomic model by a quantum number. - Answer-energy level that atomic number is...
How many Periods in Periodic Table? - Answer-7 Horizontal Rows How many Groups in Periodic Table? - Answer-18 Vertical Colums What is an Intensive Property? and Examples. - Answer-Independent of sample size. Temperature Melting Point What is an extensive property? - Answer-Dependent on ...
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Add to cartHow many Periods in Periodic Table? - Answer-7 Horizontal Rows How many Groups in Periodic Table? - Answer-18 Vertical Colums What is an Intensive Property? and Examples. - Answer-Independent of sample size. Temperature Melting Point What is an extensive property? - Answer-Dependent on ...
In this list, which substance can be classified as a chemical? a. salt b. sleep c. cold d. heat e. temperature - Answer-Salt Which of the following is not a chemical? a. salt b. water c. light d. carbon dioxide e. sugar - Answer-Light Chlorofluorocarbons are broken down in the atmosphere...
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Add to cartIn this list, which substance can be classified as a chemical? a. salt b. sleep c. cold d. heat e. temperature - Answer-Salt Which of the following is not a chemical? a. salt b. water c. light d. carbon dioxide e. sugar - Answer-Light Chlorofluorocarbons are broken down in the atmosphere...
gram - Answer-SI unit for mass liter - Answer-SI unit for volume density - Answer-the amount of mass in a given volume (units: g/mL) exothermic - Answer-a reaction that releases heat as a byproduct pure substance - Answer-either an element or a compound chemical forumla - Answer-show ...
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Add to cartgram - Answer-SI unit for mass liter - Answer-SI unit for volume density - Answer-the amount of mass in a given volume (units: g/mL) exothermic - Answer-a reaction that releases heat as a byproduct pure substance - Answer-either an element or a compound chemical forumla - Answer-show ...
What describes metallic compounds? Select all that apply. - Answer-in a solid state, they usually conduct electricity they generally have high melting points Using the electron configuration, how many valence electrons does sulfur (S) have? HINT: Sulfur's atomic number is 16. - Answer-S: 1s222...
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Add to cartWhat describes metallic compounds? Select all that apply. - Answer-in a solid state, they usually conduct electricity they generally have high melting points Using the electron configuration, how many valence electrons does sulfur (S) have? HINT: Sulfur's atomic number is 16. - Answer-S: 1s222...
Chemistry - Answer-The Study of Matter Matter - Answer-Anything that occupies spaces and has mass How do Chemists Study Matter? - Answer-The Scientific Method Steps of The Scientific Method - Answer-Observation Hypothesis Experiments Theory - Answer-is an explanation of why Law - An...
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Add to cartChemistry - Answer-The Study of Matter Matter - Answer-Anything that occupies spaces and has mass How do Chemists Study Matter? - Answer-The Scientific Method Steps of The Scientific Method - Answer-Observation Hypothesis Experiments Theory - Answer-is an explanation of why Law - An...
Matter - Answer-Anything that has mass and occupies space Chemistry - Answer-The study of composition of matter and the changes that matter undergoes Organic Chemistry - Answer-The study of compounds containing carbon Inorganic Chemistry - Answer-Study of substances that do not contain carb...
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Add to cartMatter - Answer-Anything that has mass and occupies space Chemistry - Answer-The study of composition of matter and the changes that matter undergoes Organic Chemistry - Answer-The study of compounds containing carbon Inorganic Chemistry - Answer-Study of substances that do not contain carb...
Matter - Answer-anything that occupies space and has mass mass - Answer-the amount of matter in an object pure substance - Answer-elements and compounds that cannot be broken down mixtures - Answer-combinations of two or more substances that can be separated or physically mixed heterogen...
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Add to cartMatter - Answer-anything that occupies space and has mass mass - Answer-the amount of matter in an object pure substance - Answer-elements and compounds that cannot be broken down mixtures - Answer-combinations of two or more substances that can be separated or physically mixed heterogen...
Atomic number - Answer-Number of protons (top number) Atomic mass - Answer-Protons and neutrons (bottom number) Ions - Answer--During reactions elements can gain or lose electrons. -Forming ions with the same electronic configuration as the nearest noble gas. -Metals lose electrons- posit...
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Add to cartAtomic number - Answer-Number of protons (top number) Atomic mass - Answer-Protons and neutrons (bottom number) Ions - Answer--During reactions elements can gain or lose electrons. -Forming ions with the same electronic configuration as the nearest noble gas. -Metals lose electrons- posit...
law of conservation of mass - Answer-the law that states that mass cannot be created or destroyed in ordinary chemical and physical changes law of definate proportions - Answer-the law that states a chemical compound always contains the same elements in exactly the same proportions by weight or m...
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Add to cartlaw of conservation of mass - Answer-the law that states that mass cannot be created or destroyed in ordinary chemical and physical changes law of definate proportions - Answer-the law that states a chemical compound always contains the same elements in exactly the same proportions by weight or m...
Molarity Equations - Answer-M=mol/Liters Density Formula - Answer-d=m/V rate of effusion equation - Answer-Square root of molar mass of heaviest molecule/ square root of molar mass of lighter molecule Average Atomic Mass Equation - Answer-(mass₁) (abund₁) + (mass₂) (abund₂)...... ...
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Add to cartMolarity Equations - Answer-M=mol/Liters Density Formula - Answer-d=m/V rate of effusion equation - Answer-Square root of molar mass of heaviest molecule/ square root of molar mass of lighter molecule Average Atomic Mass Equation - Answer-(mass₁) (abund₁) + (mass₂) (abund₂)...... ...
Accuracy? - Answer-Closeness of measurements to the TRUE VALUE of what is being measured Precision? - Answer-Closeness of a SET of measurements How do you calculate Percent Error? - Answer-I experimental-accepted I ____________________ x 100 accepted value Are zeros infront of non-zero ...
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Add to cartAccuracy? - Answer-Closeness of measurements to the TRUE VALUE of what is being measured Precision? - Answer-Closeness of a SET of measurements How do you calculate Percent Error? - Answer-I experimental-accepted I ____________________ x 100 accepted value Are zeros infront of non-zero ...
MISTRY EXAM WITH 100% CORRECT ANSWERS Matter - Answer-Anything that has mass and occupies space (Not weight) Heterogeneous - Answer-Not uniform throughout Homogeneous - Answer-Uniform throughout, combinations of two or more substances but each still retains its chemical identity Pure ...
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Add to cartMISTRY EXAM WITH 100% CORRECT ANSWERS Matter - Answer-Anything that has mass and occupies space (Not weight) Heterogeneous - Answer-Not uniform throughout Homogeneous - Answer-Uniform throughout, combinations of two or more substances but each still retains its chemical identity Pure ...
chemistry - Answer-study of composition, structure, and properties of matter, the processes of matter, the process that matter undergoes, and the energy that accompanies these processes mass - Answer-measure of amount of matter matter - Answer-anything that has mass and takes up space atom ...
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Add to cartchemistry - Answer-study of composition, structure, and properties of matter, the processes of matter, the process that matter undergoes, and the energy that accompanies these processes mass - Answer-measure of amount of matter matter - Answer-anything that has mass and takes up space atom ...
Gases that have critical temperatures above room temperature can be liquified by ___________ alone. - Answer-Pressure T/f substances with weak intermolecular forces have high critical temperatures. - Answer-False When a liquid is at critical temperature it's ____________ pressure is the criti...
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Add to cartGases that have critical temperatures above room temperature can be liquified by ___________ alone. - Answer-Pressure T/f substances with weak intermolecular forces have high critical temperatures. - Answer-False When a liquid is at critical temperature it's ____________ pressure is the criti...
atomic mass - Answer-the weighted average of the masses of the isotopes of an element avogodros number - Answer-the number of representative particles contained in one mole of a substance; equal to 6.02 x 10 ^23 balanced equations - Answer-a chemical equation in which the mass is conserved; ea...
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Add to cartatomic mass - Answer-the weighted average of the masses of the isotopes of an element avogodros number - Answer-the number of representative particles contained in one mole of a substance; equal to 6.02 x 10 ^23 balanced equations - Answer-a chemical equation in which the mass is conserved; ea...
There is no detectable change in quantity of matter in an ordinary chemical reaction. T/F - Answer-True Balanced chemical equations must always include the same number of each kind of atom on both sides of the equation. - Answer-True Combination reactions have same number of products as reacta...
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Add to cartThere is no detectable change in quantity of matter in an ordinary chemical reaction. T/F - Answer-True Balanced chemical equations must always include the same number of each kind of atom on both sides of the equation. - Answer-True Combination reactions have same number of products as reacta...
When is a compound considered binary? - Answer-when it has two different elements bonded together Where are the anion and cation written in an ionic compound? - Answer-The cation is written before the anion in the name and formula of an ionic compound. Using chemical nomenclature, what is the ...
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Add to cartWhen is a compound considered binary? - Answer-when it has two different elements bonded together Where are the anion and cation written in an ionic compound? - Answer-The cation is written before the anion in the name and formula of an ionic compound. Using chemical nomenclature, what is the ...
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