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bonds and mixtures

physical change is a ___________. A change in substance that does NOT produce a new substance.
Ionic is __________. oxidation number
Mixture is _____________. Two or more elements physically combined
A Compound is ____________. 2 or more elements chemically combined
A chemical change is ____________. Change that produces A new substance with a new and different substance.
Atomic mass is ________________. Protons + Neutrons
Valence electrons are Number of electrons in the outer shell
How many electrons fit in the first energy level. Two
How many electrons will fit into the second energy level eight
positively charged particles are ____. Protons
Neutral charged particle is _________. Neutron
Negatively charges particles are. Electrons
A charged particle is ________. Ion
Oxidation number tells what tells the charge an ion has.
the force of attraction between opposite charged particles ionic bond
Melting of ice is a ________________. physical change.
An substance that cannot be separated into a simple substance Element
Neutral = what Protons = Electrons the total amount of neutrons
Family has its electrons shell tuled Family 18 noble gases.
Atomic # # of protons
Ability to hammer into a thine sheet of metal Malleable
Molded into wire Ductile
Has two molecules Diatomic number
the smallest part of of a substance that still has all of the properties of that substance. Molecule
the force of attraction between atoms they share electrons. covalent bond.
Bonding and Repeating three D pattern Crystallatace
Atomic number equals the number of Protons or electrons
Atomic mass equals the number of? Protons + Neutrons
2 ways to draw an electron location is. Bohr and Lewis structure
only shows valence electrons Lewis structure
1 electron per side then add more if needed.What is the rule called Hunts rule
If an atom looses electrons what is it (+)
If an atom gains an electron what does it do. (-)
A chemical bond is an attractive _______ that holds atoms together. force
Chemical bonding is the process of atoms combining to form new _________. Substances
Matter tends to exists in it ________ energy level. lowest
An _____ bond is a bond in which one atoms donates electrons to another atom. ionic
When the number of protons equals the number of electrons an atom has a ____charge. Neutral
Ions are atoms with a positive or negative ________. charge
________is the process of removing electrons from atoms to form ions. Ionization
Electron _______ is the tendency of an atom to gain electrons when for bonds. Affinity
A bind in which atoms share electrons is called a ________bonds. In a _________ bond many electrons are shared by many atoms.
An arrangement of ions bonded in a repeating three-dimensional pattern ia a _____________. Crystallattice
A positive particle in the nucleus that attracts electrons is a _______. Proton
A unifying explanation for a board range of hypothesis and observations that have been supported by testing is called a _____. theory
the force of attraction that holds two atoms together is called a(n) Chemical bond
An electron in the outermost energy level is called a ____. valence electron
The force of attraction between oppositely charged ions is a(n)_______. Ionic bonds
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
A ______is and element composed of molecules consisting of two atoms of that element. diatomic number
the joining of atoms to form new substances is called _______. Chemical bond
the force of attraction between the nuclei of atoms and the shared electrons is called a(n)_______. Covalent compound
A _______ is a neutral group of atoms held together by covalent bonds> Molecule
The force of attraction between a positively charged metal ion and the electrons in a metal is called a(n)_. Metallic bonds
A(n) ___is a charged particle that forms when one or more valence electrons are transferred from one atom to another. Ion
Created by: flossy176