Periodic Table
The group number tells you how many of this in every element in that group has
valence electrons
"transfer of electrons from a cation to an anion" is this type of bonding
ionic bonding?
What is the name of this formula: NaI
sodium iodide
What is the name of this formula: LiS
lithium sulfide
Molar Mass of Calcium Nitrate
164
Ne, Ar, Kr, and Xe all have the same number of valence electrons because they are all in the same
group or family
The overall charge of an ionic compound must always equal
zero
What does the 2 subscript in the formula for water mean?
there are two atoms of hydrogen in water
What is the ratio of sodium to nitrogen in the compound sodium nitride?
3 to 1
Ionic and metallic bonds stay together because opposites __________.
attract
"Atoms lose or gain electrons so they can achieve a full valence shell" is what rule?
octet rule
What is the oxidation number or charge of phophorus?
-3
What is the name of the compound formed between aluminum and sulfur?
aluminum sulfide
What is the name of the compound Na(OH)
sodium hydroxide
ductility, malleability, conductivity, and sea of electrons are all properties of what type of bonding?
metallic
This group of elements will not react with other elements on the periodic table
group 8A, group 18, or the noble gases
Phosphorus is an anion with a - 3 charge because it gains how many electrons?
3 electrons
What is the name iron chloride missing?
the roman numeral for iron
What is the formula for calcium sulfide?
CaS
A positive cation bonded to a negative anion is what type of bonding
ionic bond
The oxidation number or charge of a magnesium ion
+2
What is the oxidation number or charge of a oxygen anion?
-2
How many sodium atoms are in the formula for sodium chloride?
one
What type of compound is potassium oxide: mixture, element, metallic, ionic
ionic
The mass of strontium nitrate
211.6298 or 212