Exam!

Start Studying!

Terms

undefined, object

copy deck

Ionic melting point?: very high
Does a covalent bond conduct electricity?: yes
mole: The SI base unit used to measure the amount of a substance whose number of particles is the same as the number of atoms of carbon in 12g of carbon-12
Who is involved in an ionic compound?: a metal and a nonmetal
Empirical formula: the composition of a compound in terms of the relative numbers and kinds of atoms in the simplest ratio
Two compounds, each containing two or more elements. They react and the elements switch around: Double Displacement Reaction
A part, substance, or element that lies beneath and supports another part substance, or element; the reactant in reactions catalyzed by enzymes: Substrate
This element is in every living thing: carbon
In a solution, the substance in which the solute dissolved: solvent
is a stationary object, or a reference point.: Reference frame
a substance that changes the rate of a chemical reaction without being consumed or changed significantly.: Catalysts
He believed that the __________ in the atoms caused the changes in matter.: movement
1. What do chemical formulas tell us: how many total atoms are in a compound
emulsion: a mixture between 2 or more immiscible liquids in which one is dispersed into the other
Can a metallic bond conduct electricity?: yes
Molecular formula: a chemical formula that shows the number and the kinds of atoms in a molecule, but not the arrangement of atoms
What is a Metallic bond?: a bond that occurs between 2 or more metals
A compound containing carbon, it is covalently bonded; excludes carbon and oxygen gasses: organic compound
How do covalent bonds bond?: by being closely together and sharing what they are bonding
The distance traveled divided by the time interval by which the motion occurred.: speed
colloid: a mixture consisting of medium particles, and fits inbetween a solution and a concentration
Nonmetals: An element that conducts heat and electricity poorly
Alkyne metals: An organic compound that contains carbon and hydrogen with at least one triple bond
group: A vertical column of elements in the periodic table
Proton: A subatomic particle that has a positive charge and that is found in the nucleus of an atom
Alkali metal: One of the elements of Group 1 of the periodic table
2. compound can...: is chemically combined
Polyatomic ion: an ion made of 2 or more atoms
polar: unequal sharing of electrons
Alkane metals: Organic compound that contains carbon and hydrogen with single bonds
It is a mixture of two or more substances uniformly dispersed throughout a single phase: homogeneous mixture
An expression of the concentration of a solution in moles of dissolved solution in moles of dissolved solute per liter of solution: molarity
Ionic Bond: a bond formed by the attraction between oppositely charged ions
Two or more liquids that form a single layer when mixed are said to be: miscible liquids
The rate at which the velocity changes over time; an object accelerates if its speed, direction, or both change: acceleration
How do organic compounds occur?: covalently
When can chemical bonds bond?: anytime
Who bonds in a metallic bond?: metals
What is a chemical bond?: It is an interaction between electrons between 2 or more atoms
Who can be in an chemical bond?: any kind of element except for the noble gases
the changeing of a position of an object you must be in a straight line, and you have to be going in an exact location: displacment
Why do ionic bonds bond?: to become stable
Exothermic: a chemical reaction in which heat is released to the surroundings Forming bonds
average atomic mass: The weighted average of the masses of all naturally occurring isotopes of an element
Occurs when a compound containing two or more elements. React with another element. To produce a new compound, and an isolated element.: Single-Displacement Reaction
Anion: gains electrons in order to gain a negative charge
Alkaline-earth metals: One of the elements of Group 2 of the periodic table
What is an ionic compound?: it's when 2 or more atoms bond by an exchange of electrons
To separate a miscible liquid you have to use the process called: distillation
Bond Length: the distance between two bonded atoms at their minimum potential energy
isotope: An atom that has the same number of protons as the other atoms of the same element do but that has a different number of neutrons
3. mixture can...: not be found in fixed ratios
A solution that contains a small amount of solute is: dilute
Covalent bond's strength?: weak
noble gases: An unreactive element of Group 18 of the periodic table
A type of protein that speeds up metalbolic reactions in plants and animals without being permanently changed or destroyed.: Enzymes
Why do metallic bonds bond?: to become stable
Nucleus: An atom's central region which is made up of protons and neutrons
atomic number: The number of protons in the nucleus of atoms
3. Chemical formulas tell us...: the number of atoms for each element
Conversion factor: A ratio that is derived from the equality of two different units and that can be used to covert from one unit to another
Where do we find an organic compound: in the crust of the earth
Polyatomic ionic's melting point?: fairly high
Valence electrons: An electron that is found in the outermost shell of an atom and that determines the atom's chemical properties
Semiconductor: An element or compound that conducts electric current better than an insulator but not as well as a conductor does.
metals: An element that is shiny and conducts heat and electricity well
Covalent bond: a bond formed when share one or more pairs of electrons
A solution that contains a large amount of solute is: concentrated
how do metallic bonds bond?: to share electrons loosely?
1. compound can...: Can't be physically reversed
Occurs when an organic compounds reacts with oxygen to produce water, gas (carbonate). And Heat: combustion reaction
Orbital: A region in an atom where there is a high probability to finding electrons
How do ionic bonds bond?: They have opposite charges so they bond
2. what do chemical formulas tell us?: the type of elements that are in a compound
Electron: A subatomic particle that has a negative charge
In a solution, the substance that dissolved in the solvent: solute
the process of pouring the lighter liquid off of a heavier liquid: decanting
A mixture of two things that are not evenly mixed: Heterogeneous mixture
What is a covalent bond?: it is when 2 or more atoms bond through the sharing of electrons
3. compound can...: be found in fixed ratios
An acid is a substance that releases hydronum (H+) ions into solutions: acid
The atoms was discovered in what century?: 4th century B. C. E
reaction- a complex compound breaking down into two or more simple compounds. (slow process): Decompostion
Another scientist, ______ _____, was more accepted than Democritus.: John Dalton
Where do covalent bonds bond?: Anytime
Can a covalent bond conduct electricity?: no
Polyatomic ionic's strength: medium
Ionic strength?: very strong
There are three subatomic particles in an atom?: Protons, neutrons, electrons
The maximum amount of a solute that will dissolve in a given quantity of solvent at a given temperature and pressure.: solubility
mass number: The sum of the numbers of protons and neutrons in the nucleus of an atom
A compound whose electrons are equally distributed among its atoms: nonpolar compounds
atom: unable to be divided
Avogadro's constant: Equals 6.022 x 10^23/mol; the number of particles in 1 mol
how do chemical bonds bond?: Involves an interaction between electrons
Bond angle: the angle formed by two bonds to the same atom
Halogen: One of the elements of Group 17 of the periodic table
2. mixture can...: is physically combined
period: A horizontal row of elements in the periodic table
does polyatomic ionic bonds conduct electricity?: yes
Ion: An atom or group of atoms that has lost or gained one or more electrons and has a negative or positive charge
Chemical Structure: the arrangement of the atoms in a substance
A homogeneous mixture of two or more substances uniformly dispersed throughout a single phase: solution
two or more compounds react, to create a more complex compound.: Synthesis Reaction
The intermolecular force occurring when a hydrogen atom that is bonded to a highly electronegative atom of one molecule is attracted to two unshared electrons of another molecule: Hydrogen bonding
endothermic: There is so much energy that is taken in from the surroundings, from the air and water.
A solution that holds more dissolved solute than is required to reach equilibrium at a given temperature: super saturated solution
suspension: A mixture in which particles of a material are more or less evenly dispersed throughout a liquid or gas
Why do covalent bonds bond?: to become stable
The speed of an object in a particular direction: velocity
non polar: equal sharing of electrons
Metallic Bond: a bond formed by the attraction between positively charged metal ions and the electrons around them
you don't have to be going in a straight line: distance
What is the strength of a hydrogen bond?: weak
Transition metals: One of the elements of Groups 3-12 of the periodic table
Protein: an organic compound that is made of one or more chains of amino acids and that is a principle component of all cells
This element has 4 valence electrons: carbon
Periodic law: The law that states that the repeating chemical and physical properties of elements change periodically with the atomic numbers of the elements
How many valence electrons does an atom have to have to be stable?: 1 or 8
Who was the first person to discover the atom?: Democritus
Cation: loses electrons in order to gain a positive charge
When do ionic bonds bond?: anytime
A state of balance in which the rate of a forward reaction equals the rate of the reverse reaction and the concentrations of products and reactants remain unchanged.: Chemical Equilibrium
They are still considered the same element even though they have a different number of neutrons.: isotopes
Why do chemical bonds bond?: to become stable
Polymer: a large molecule that is formed by more than five monomers, or small units
1. mixture can..: be physically reversed
Organic compound: a covalently bonded compound that contains carbon, excluding carbonates and oxides
Molar mass: The mass in grams of 1 mol of a substance
Alkene metals: Organic compounds that contains carbon and hydrogen with one or more double bond
This element always contains? Sometimes contains sulfur, hydrogen, and oxygen: organic compound
Democritus' theory was that atoms cannot be: Divided
The strength of a metallic bond?: strong
Ionic electricity conductivity?: yes
The amount of a particular substance in a given quantity of a mixture, solution, or ore: unsaturated solution
When you are determining the speed, you are just focusing on how fast something is going. in velocity you are figuring out the speed and direction: speed vs. velocity
What is the melting point of a covalent bond?: low
Amino acid: any one of 20 different organic molecules that contain a carboxyl and an amino group and that combine to form proteins
What are the letters for the four different types of orbital's?: A, S, D, F
A solution that cannot dissolve any more solute under the given conditions: saturated solution
a reaction between an acid and a base: neutralization reaction
A substance that releases hydroxide (OH-) into solution Bitters: base
Where do you have a high chance of finding electrons?: In the orbital
chemical bond: the attractive force that holds atoms or ions together
A solid or liquid mixture of two or more metals: alloy
Atomic mass unit: A unit of mass that describes the mass of an atom or molecule; it is exactly one-twelfth of the mass of a carbon atom with the mass number 12
A molecule that has an uneven distribution of electrons: polar bond
The melting point of a metallic bond?: high
Carbohydrate: any organic compound that is made of carbon, hydrogen, and oxygen and that provides nutrients to the cells of living things

Start Studying!

Deck Info

Number of cards 149