1A Atomic lons
Most common form on top
2A
H
7A
|NaMo 30
AP
u
ЗА 4 5 6А
He
UB
BCN0F Ne
BB
48 58 68 78
1B 28
psorar
K|CSC: Mn Fe Co Nalan
C+Mn Fe Co N
Zn Ga Ge As Se Br Kr
lou
AB/s/p/2 NO
Snso
CsBar R0PA "Hont po? BP por
P? Au Hg TPO BA Pour
AR
FrRrA
IR
INOMOTE
Pad
P/Ag"/col
Ine
D
Question 1
2 pts
Which of the following is true of a chemical reaction?
(Al Only physical changes occur.
[B] New substances must form.
IC Only changes of state occur.
[DJ Chemical properties remain the same.