Valence electrons | Bonds | Radioactive | What group is it in? | When was it found? |
---|---|---|---|---|
He
8
|
Ca +O
CaO
|
Is Einsteinium radioactive
True
|
Li
Alkali metals
|
Ta
1802
|
Ti
4
|
Mn+Au
MnAu
|
Is Francium radioactive
True
|
At
Halogens
|
Tm
1879
|
Arsenic
5
|
Y+V
YV
|
Is Copernicium radioactive
True
|
Ir
Transition Metals
|
Zr
1789
|
Francium
1
|
Bi+Cs+Mg
BiCsMg
|
Is Meitnerium radioactive
True
|
B
Metalloids
|
Be
1798
|
Zinc
2
|
H+Cl
ClH
|
Is Xenon radioactive
False
|
Np
Actanide
|
B
1808
|