knipp – charges & bonding

charge for lithium ion
+1
charge for sodium ion
+1
charge for potassium ion
+1
charge for beryllium ion
+2
charge for magnesium ion
+2
charge for calcium ion
+2
charge for fluorine ion
-1
charge for chlorine ion
-1
charge for bromine ion
-1
charge for oxygen ion
-2
charge for sulfur ion
-2
charge for nitrogen ion
-3
charge for phosphorus ion
-3
charge for carbon ion
+4 or -4
charge for silicon ion
+4 or -4
charge for boron ion
+3
charge for aluminum ion
+3
formula for lithium fluoride
LiF
formula for sodium chloride (salt)
NaCl
formula for potassium bromide
KBr
formula for magnesium sulfide
MgS
formula for calcium oxide
CaO
formula for sodium sulfide
Na2S
formula for potassium oxide
K2O
formula for magnesium fluoride
MgF2
formula for calcium chloride
CaCl2
formula for aluminum chloride
AlCl3
number of electrons in a nitrogen ion
10
number of electrons in a magnesium ion
10
number of electrons in an alumnium ion
10
number of electrons in a sulfur ion
18
number of electrons in a boron ion
2
number of protons in a potassium ion
19
number of protons in a fluorine ion
9
number of protons in a calcium ion
20
T or F – noble gases can form ions
false
T or F – a chlorine ion and a calcium ion have the same number of electrons
true
T or F – nitrogen and oxygen can form a covalent bond
true
T or F – alloys are formed using metallic bonds
true
T or F – covalent bonds are stronger than ionic bonds
false
a type of bond where electrons are shared
covalent
a type of bond where electrons are gained or lost
ionic
name of group containing chlorine
halogens
alloy made of copper and zinc
brass
group containing neon
noble gases
group containing potassium
alkali metals
group containing calcium
alkali earth metals
alloy made from iron and carbon
steel
alloy made from copper and tin
bronze
number representing the number of molecules in a compound
prefix number
number representing the number of atoms of an element in a compound
subscript number
a mixture of symbols and numbers that represents a compound
chemical formula
T or F – in a formula, the positively charged ion follows the negatively charged ion
false
an ion made up of more than one atom
polyatomic ion
T or F – ionic compounds have low melting points
false
a “sea” of valence electrons are found in this type of bonding
metallic
x

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