Ch 9: Chemical Names and Formulas Flashcards
What happens when the metals from Groups 1A, 2A, and 3A lose electrons?
They form cations with positive charges equal to their group number.
How is the charge of any ion of Group A nonmetal determined?
By subtracting 8 from the group number.
How must the charges of the cations of many transition metal ions be determined?
From the number of electrons lost.
What do the names of most polyatomic ions end in?
-ite or -ate
To name any binary ionic compound, place the ______ name first, followed by the _____ name.
cation
anion
To write formulas for binary ionic compounds, write the symbol of the ______ and then the _____. Add whatever __________ are needed to balance the charges.
cation
anion
subscripts
Compounds with polyatomic ions: write the symbol for the ______ followed by the _______ for the polyatomic ion and _______ the charges.
cation
anion
balance
To name a compound containing a polyatomic ion, state the ______ first and then the _____ just as you did in naming binary ionic compounds.
cation
anion
What does a prefix in the name of a binary molecular compound tell?
It tells how many atoms of an element are present in each molecule of the compound.
Use the ________ in the name to tell you the _________ of each element in the formula. Then write the correct _______ for the two elements with the appropriate __________.
prefixed
subscript
symbols
supscripts
What does the acid name begin with if the name of the anion ends in -ide?
The prefix hyrdo-
What is the stem of an anion with the suffix -ic followed by?
The word acid.
When the anion name ends in -ite, the acid name is the ____ of the anion with the suffix -___, followed by the word ____.
stem
ous
acid
When the anion name ends in -___, the acid name is the stem of the anion with the suffix -__ followed by the word ____.
ate
ic
acid
To write formulas for acids, use the rules for writing the _____ of acids in _______ to write the formulas for acids.
names
reverse
