bonds and mixtures
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| physical change is a ___________. | A change in substance that does NOT produce a new substance.
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| Ionic is __________. | oxidation number
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| Mixture is _____________. | Two or more elements physically combined
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| A Compound is ____________. | 2 or more elements chemically combined
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| A chemical change is ____________. | Change that produces A new substance with a new and different substance.
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| Atomic mass is ________________. | Protons + Neutrons
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| Valence electrons are | Number of electrons in the outer shell
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| How many electrons fit in the first energy level. | Two
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| How many electrons will fit into the second energy level | eight
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| positively charged particles are ____. | Protons
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| Neutral charged particle is _________. | Neutron
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| Negatively charges particles are. | Electrons
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| A charged particle is ________. | Ion
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| Oxidation number tells what | tells the charge an ion has.
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| the force of attraction between opposite charged particles | ionic bond
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| Melting of ice is a ________________. | physical change.
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| An substance that cannot be separated into a simple substance | Element
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| Neutral = what | Protons = Electrons the total amount of neutrons
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| Family has its electrons shell tuled | Family 18 noble gases.
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| Atomic # | # of protons
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| Ability to hammer into a thine sheet of metal | Malleable
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| Molded into wire | Ductile
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| Has two molecules | Diatomic number
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| the smallest part of of a substance that still has all of the properties of that substance. | Molecule
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| the force of attraction between atoms they share electrons. | covalent bond.
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| Bonding and Repeating three D pattern | Crystallatace
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| Atomic number equals the number of | Protons or electrons
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| Atomic mass equals the number of? | Protons + Neutrons
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| 2 ways to draw an electron location is. | Bohr and Lewis structure
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| only shows valence electrons | Lewis structure
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| 1 electron per side then add more if needed.What is the rule called | Hunts rule
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| If an atom looses electrons what is it | (+)
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| If an atom gains an electron what does it do. | (-)
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| A chemical bond is an attractive _______ that holds atoms together. | force
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| Chemical bonding is the process of atoms combining to form new _________. | Substances
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| Matter tends to exists in it ________ energy level. | lowest
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| An _____ bond is a bond in which one atoms donates electrons to another atom. | ionic
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| When the number of protons equals the number of electrons an atom has a ____charge. | Neutral
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| Ions are atoms with a positive or negative ________. | charge
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| ________is the process of removing electrons from atoms to form ions. | Ionization
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| Electron _______ is the tendency of an atom to gain electrons when for bonds. | Affinity
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| A bind in which atoms share electrons is called a ________bonds. | In a _________ bond many electrons are shared by many atoms.
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| An arrangement of ions bonded in a repeating three-dimensional pattern ia a _____________. | Crystallattice
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| A positive particle in the nucleus that attracts electrons is a _______. | Proton
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| A unifying explanation for a board range of hypothesis and observations that have been supported by testing is called a _____. | theory
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| the force of attraction that holds two atoms together is called a(n) | Chemical bond
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| An electron in the outermost energy level is called a ____. | valence electron
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| The force of attraction between oppositely charged ions is a(n)_______. | Ionic bonds
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| The ___________is a chart that displays all elements by atomic number, and can be used to determine the number of valence electrons for some elements. | periodic table
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| A ______is and element composed of molecules consisting of two atoms of that element. | diatomic number
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| the joining of atoms to form new substances is called _______. | Chemical bond
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| the force of attraction between the nuclei of atoms and the shared electrons is called a(n)_______. | Covalent compound
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| A _______ is a neutral group of atoms held together by covalent bonds> | Molecule
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| The force of attraction between a positively charged metal ion and the electrons in a metal is called a(n)_. | Metallic bonds
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| A(n) ___is a charged particle that forms when one or more valence electrons are transferred from one atom to another. | Ion
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