Chapter 8 Flashcards
1
Q
Why do some atoms have multiple oxidation numbers?
A
Because it depends on what it bonds with.
2
Q
Who named compounds and rules?
A
IUPAC
3
Q
Covalent compounds that are not acids use what prefix?
A
Greek prefix
4
Q
What electro negative elements come first?
A
Least
5
Q
What do we use oxidation numbers for?
A
To write chemical formulas and ionic compounds
6
Q
What are polyatomic ions?
A
Covalently bonded groups of atoms that carry a charge
7
Q
What is nomenclature?
A
IUPAC’s system of naming compounds
8
Q
What are hydrates?
A
Compounds that hold a characteristic amount of water in their crystalline structures
9
Q
What are catalysts?
A
Substances that change the rate of the reaction but do not undergo permanent changes themselves.