a mixture of elements that has metallic properties
What is alloy?
100
the force that holds two atoms together
What is chemical bond
100
conduct an electric current in the liquid phase and in aqueous solution
What are electrolytes
100
What information do you need to write a chemical formula for an ionic compound?
What is the metal ion and nonmetal ion with the charges
100
proposes that all metal atoms in a metallic solid contribute their valence electrons to form a "sea" of electrons
What is electron sea model?
200
A positively charged ion
What is cation?
200
This happens to the number of protons during ion formation
What is nothing, or remains unchanged?
200
If the number of electrons lost is equal to the number of electrons gained, what is the charge?
What is zero, electrically neutral
200
How do you name an ionic compound?
Name the cation; name the anion; monatomic anions use root plus -ide; transition metals may have multiple oxidation states; if there is a polyatomic ion name the ion
200
electrons that are free to move around and are referred to as this, forming a metallic cation
What is delocalized electrons?
300
a negatively charged ion
What is anion?
300
formed by the loss or gain of valence electrons
What is ion
300
How is an ionic bond formed
What is a positive ion is attracted to a negative ion
300
The formula for silver(I) bromide
What is AgBr
300
Metals are this because they can be hammered into sheets
What is malleable?
400
ions made up of more than one atom
What are polyatomic ions?
400
Give the number of valence electrons in an atom of cesium
What is 1
400
Double Jeopardy: Describe the conditions ionic compounds will conduct electric current
What is in the molten state or when dissolved in water
400
The formula for calcium iodide
What is CaI2
400
Metals are this because they can be drawn into wires
What is ductile
500
polyatomic ion composed of an element (usually a non-metal), bonded to one or more oxygen atoms
What is oxyanion?
500
Double Jeopardy: Predict the reactivity of potassium and neon based on its valence electrons
What is potassium is very reactive and loses 1 electron to form 1+ ion; Neon is unreactive and has an octet
500
Which compounds are not likely to occur: CaKr or Na2S
What is CaKr; Kr is a noble gas
500
Double Jeopardy: Name of the following ionic compounds:
a. K2O
b. KNO3
c. NaClO
d. Fe(NO2)3
What is:
a. potassium oxide
b. potassium nitrate
c. sodium hypochlorite
d. iron(III) nitrite
500
Double Jeopardy:
How is a metallic bond different from an ionic bond?
metallic: attraction between a positive metal ion and free valence electrons;
ionic bond: attraction between a positive metallic ion and a negative nonmetallic ion