Unit 3 Flashcards
what elements have a +1 charge
alkali metals
what elements have a +2 charge
alkali earth metals
what elements have a -1 charge
halogens
name some polyatomic ions
9 answers
carbonate
chlorite
sulfate
hydroxide
nitrite
phosphate
sulfite
chlorate
Ionic Bonds involve the ____ of valence electrons between
atoms
transfer
Ionic Bonds form between a _____
metal + nonmetal
Covalent Bonds involve the _____ of valence electrons between
atoms
sharing
Covalent Bonds form between
nonmetals
If there is a metal in the compound, the compound is ______
write the name of the ____
write the name of the
_____ + add _____ where it makes sense.
ionic
metal
nonmetal + “ide”
if there is not a metal in the compound, the compound is ______
covalent
write the name of the first _____________
if the subscript is 1 DON’T add
write the name of the second nonmetal and add the prefix + _____
nonmetal
mono
“ide”
what is oxygen?
an element
what is the name of the compound created between lithium + fluorine
lithium flouride
what is the name of the compound created between sodium + fluorine
sodium fluoride
what type of compound is created between a metal and a nonmetal?
ionic
what type of compound is CaCl2
ionic
which two subatomic particles have the same mass
protons and neutrons
What are the subatomic particles?
proton, neutron, electron
when naming an ionic compound, what do u add to the nonmetal
ide
what type of bond in shown in the diagram below
SHARING
covalent
Atoms prefer to have eight electrons in their valence shell for stability. What is this rule called?
octet
how many elements are in the compound shown
-how many LETTERS are shown
2
when naming a covalent compound, when do you add the prefix to the first element
if its greater than one
what contains most of an atoms mass?
nucleus
the number of this particle is the atomic number and determines what an element is?
proton
what is a positive ion called
cation
how many electrons does a group 7 atom need to gain in order achieve a full octet
-8 minus that number is the answer
1
what occupies very little of an atom’s nucleus
volume
what is the name of the compound shown in the diagram
carbon tetrafluoride
what types of elements form ionic compounds
metals and nonmetals
what charge will a neon ion have
0
what gets transferred in an ionic bond
valence electrons
what do elements do with electrons in a covalent bond
sharing
what types of elements form covalent bonds
nonmetals
how many atoms are shown in the model
-how many bubbles are there
4
what is a negative ion called
anion
what charge will a nitrogen ion have
-3
