Which is the correct order for the names and formulas of binary ionic compounds? (Answer must include ALL the following words: metal, nonmetal, anion, cation)
What is metal cation followed by nonmetal anion.
100
Define Electron Sea Model
What is all the metal atoms in a metallic solid contribute their valence electrons to form a “sea” of electrons?
100
Define Alloy
What is a mixture of elements that has metallic properties?
200
Define Ionic Bond
What is a bond between metal and nonmetal held together by electrostatic forces due to the lose/ gain of valence electron?
200
Define Polyatomic Ion
What is an ion made of two or more atoms.
200
In the ionic solid sodium chloride (NaCl), there is a _________ ratio of sodium ions to chlorine ions.
What is 1 to 1?
200
Which of the following metallic properties is best explained by the "sea of electrons" model of metals?
A. density
B. electrical conductivity
C. atomic mass
D. Ionic Charge
What is Electrical conductivity?
200
Type of alloy where the small holes in in metallic crystal are filled with smaller atoms
What is Interstitial alloy?
300
Define Metallic Bond.
What is the attraction of metallic cation for delocalized electrons
300
Define cation
What is a positively charge ion?
300
Name the binary ionic compound of calcium and sulfur.
What is Calcium sulfide?
300
Name 2 properties of metals.
What is malleable, shiny, form cations, good electrical conductivity, higher boiling/melting points?
300
A type of alloy where atoms of one element replace some of the atoms of another element.
What is substitutional alloy?
400
This is how ionic bonds are formed.
What is electrostatic forces between ions?
400
Define anion.
What is a negatively charge ion?
400
Name the formula for a binary ionic compound composed of iodine (I) and sodium (Na)?
What is NaI
400
This is why metals described as having a "sea of electrons".
What is the electrons are free to move between the atoms in a metal?
400
Sterling silver (a mix of cooper and silver) is known as a substitutional alloy because ________.
What is copper atoms replace some of the silver atoms in the metallic crystal?