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Atoms,Bonding and the Periodic Table
Ionic Bonds
Covalent Bonds
Bonding and metals
Vocab
100
They are those electrons held most loosely in an atom.
What are valence electrons.
100
An atom or group of atoms that has an electric charge.
What is an ion.
100
The Chemical Bond formed when two atoms share electrons.
What is a covalent bond.
100
A material made of two or more elements that has the properties of a metal.
What is an alloy.
100
Tells you the ratio of elements in a compound.
What is a subscript?
200
This is how the periodic table is arranged by
What is increaseing atomic number.
200
An atom looses a negitive charge and becomes a positive ion.
What happens to an atom when it looses an electron.
200
A neutral group of atoms joined by a covalent bond.
What is a molecule.
200
An atraction between a positive metal ion and the electrons surrounding it.
What is a metallic bond.
200
Atoms that share two pairs of electrons.
What is a double bond?
300
These are the elements in the same column in the periodic table.
What is a group or family.
300
A combination of symbols that shows the ratio of elements in a compound.
What is a chemical formula.
300
A covalent bond in which electrons are shared unequally.
What is a polar bond.
300
Explains many of the common physical properties of metals and their ions.
What is metallic bonding?
300
A diagram that includes a symbol of the element surrounded by dots.
What is an electron dot diagram?
400
Eight is the greatest number of these.
What are valence electrons.
400
The attraction between two oppisitley charged ions
What is an ionic bond.
400
A compound that is composed of molecules.
What is a molecular compound?
400
The explanation for the ease in which metals can change shape, conduct electricity, and conduct heat.
What is the 'sea of electrons'?
400
A covalent bond in which electrons are shared equally.
What is a nonpolar bond?
500
The force of attraction that holds the atoms together as a result of the rearrangement of electrons between them.
What is a chemical bond?
500
Ions made of one or more atom
What are polyatomic atoms.
500
The bond Nitrogen and Carbon can form.
What is a triple bond?
500
It consists of metal atoms that are held very close in specific arrangements
What is a metal crystal?
500
An ion formed three-dimensional arrangement.
What is a crystal?