Ch 4: Molecules Flashcards
1
Q
Total atomic mass in a molecule
A
Molecular Mass
2
Q
Synthesis Reaction equation
A
A + B —> AB
3
Q
Decomposition Reaction Equation
A
AB —> A + B
4
Q
Single Replacement Reaction Equation
A
AB + C —> AC + B
5
Q
Double Replacement (Metathesis) Reaction Equation
A
AB + CD —> AC + BD
6
Q
What is the rule of thumb when doing Balancing Chemical Equations
A
H is second to last
O is always last
7
Q
The oxidation number is equal to zero if the elements are _____.
A
pure and unreacted states
8
Q
The oxidation number is negative if the ion in equation is more ____ than the bonding partner
A
Electronegative