chemistry ch 7 Flashcards
1
Q
tatsu yamashiro
A
katana
2
Q
ionic
A
far apart on periodic table, metal and nonmetal
3
Q
covalent
A
two nonmentals, close together on periodic table
4
Q
Give the formula for boron trifluoride
A
BF3
5
Q
Give the name for P2O5
A
diphosphorus pentoxide
6
Q
Give the formula for silicon tetrafluoride
A
SiF4
7
Q
Give the name for Br2
A
bromine
8
Q
what’s fluoride’s usual oxidation number
A
-1
9
Q
what’s oxygen’s usual oxidation number
A
-2
10
Q
oxygen’s oxidation exceptions
A
H202 = -1 OF2 = +2
11
Q
what’s hydrogen’s usual oxidation number
A
+1 but with a metal -1
12
Q
sum of oxidation numbers is
A
zero
13
Q
sum of oxidation numbers in a polyatomic ion is
A
the charge of the ion
14
Q
1
A
mono
15
Q
2
A
di
