˹á arrow R
˹áԧʹԴ
| | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | |
˹á
ԧʹ
Դ
ش
ѷ
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z

ѤҪԡ
Ѻ͡!

ʶԵԼ
: 2254929 
й 19 ؤŷ ͹Ź
R
ͧ
Radiation 1204
Radiation 705
Radioactive 700
Radioactive Decay 881
Radioactivity 737
Radium 1387
Radon 901
Rare Earth Metals 622
Rate Constant 1197
Rate Law 1422
Rate Reaction 774
Reactants 800
Redox Reaction 1210
Reducing Reagent 1100
Representative Element 1492
Resonance 1079
Resonance Hybrid 1499
Resonance Structure 1373
Reverse Reaction 743
Reversible Reaction 1189
Rhenium 773
Rhodium 1366
Round bottomed flask:ⷡ鹡 1697
Rubidium 999
Ruthenium 1055
Rutherfordium 958