Z
Density
Z
Density
76 Osmium
Os 22.57
14 Silicon
Si
2.33
8
Oxygen
O 0.00143 47 Silver
Ag 10.5
46 Palladium
Pd 12.02
11 Sodium
Na 0.97
15 Phosphorus
P
2.2
38 Strontium Sr 2.54
78 Platinum
Pt 21.45
16 Sulfur
S
2.0
94 Plutonium
Pu 19.84
73 Tantalum
Ta 16.6
84 Polonium
Po 9.32
43 Technetium Tc 11.5
19 Potassium
K
0.862
52 Tellurium
Te 6.24
59 Praseodymium Pr 6.773
65 Terbium
Tb 8.27
61 Promethium Pm 7.264
81 Thallium
Tl
11.85
91 Protactinium Pa 15.37
90 Thorium
Th 11.70
88 Radium
Ra 5.5
69 Thulium
Tm 9.321
86 Radon
Rn 0.0097
50 Tin
Sn 6.5
75 Rhenium
Re 21.02
22 Titanium
Ti
4.54
45 Rhodium
Rh 12.41
74 Tungsten
W 19.3
37 Rubidium
Rb 1.532
92 Uranium
U 16.95
44 Ruthenium
Ru 12.41
23 Vanadium
V
6.11
104 Rutherfordium Rf ~18
54 Xenon
Xe 0.0059
62 Samarium
Sm
7.54
70 Ytterbium
Yb 6.98
21 Scandium
Sc 2.989
39 Yttrium
Y
4.47
106 Seaborgium Sg ~18
30 Zinc
Zn 7.13
34 Selenium
Se 4.5
40 Zirconium
Zr 6.06
RADIOACTIVITY
Z
X
Z
=
atomic # (number of protons)
A
X
=
element
A
=
mass # (number of protons and neutrons)
Z
Z-2
Decay
Alpha
X
6
X +
"
A
A-4
Z
Z+1
Modes
Beta Minus
X
6
X +
$
A
A
-
Z
Z-1
Beta Plus (Positron)
X
6
X +
$
A
A
+
Z
Z-1
Electron Capture
X
6
X
A
A
8
Z
Density
Z
Density
76 Osmium
Os 22.57
14 Silicon
Si
2.33
8
Oxygen
O 0.00143 47 Silver
Ag 10.5
46 Palladium
Pd 12.02
11 Sodium
Na 0.97
15 Phosphorus
P
2.2
38 Strontium Sr 2.54
78 Platinum
Pt 21.45
16 Sulfur
S
2.0
94 Plutonium
Pu 19.84
73 Tantalum
Ta 16.6
84 Polonium
Po 9.32
43 Technetium Tc 11.5
19 Potassium
K
0.862
52 Tellurium
Te 6.24
59 Praseodymium Pr 6.773
65 Terbium
Tb 8.27
61 Promethium Pm 7.264
81 Thallium
Tl
11.85
91 Protactinium Pa 15.37
90 Thorium
Th 11.70
88 Radium
Ra 5.5
69 Thulium
Tm 9.321
86 Radon
Rn 0.0097
50 Tin
Sn 6.5
75 Rhenium
Re 21.02
22 Titanium
Ti
4.54
45 Rhodium
Rh 12.41
74 Tungsten
W 19.3
37 Rubidium
Rb 1.532
92 Uranium
U 16.95
44 Ruthenium
Ru 12.41
23 Vanadium
V
6.11
104 Rutherfordium Rf ~18
54 Xenon
Xe 0.0059
62 Samarium
Sm
7.54
70 Ytterbium
Yb 6.98
21 Scandium
Sc 2.989
39 Yttrium
Y
4.47
106 Seaborgium Sg ~18
30 Zinc
Zn 7.13
34 Selenium
Se 4.5
40 Zirconium
Zr 6.06
RADIOACTIVITY
Z
X
Z
=
atomic # (number of protons)
A
X
=
element
A
=
mass # (number of protons and neutrons)
Z
Z-2
Decay
Alpha
X
6
X +
"
A
A-4
Z
Z+1
Modes
Beta Minus
X
6
X +
$
A
A
-
Z
Z-1
Beta Plus (Positron)
X
6
X +
$
A
A
+
Z
Z-1
Electron Capture
X
6
X
A
A
8
Z
Density
Z
Density
76 Osmium
Os 22.57
14 Silicon
Si
2.33
8
Oxygen
O 0.00143 47 Silver
Ag 10.5
46 Palladium
Pd 12.02
11 Sodium
Na 0.97
15 Phosphorus
P
2.2
38 Strontium Sr 2.54
78 Platinum
Pt 21.45
16 Sulfur
S
2.0
94 Plutonium
Pu 19.84
73 Tantalum
Ta 16.6
84 Polonium
Po 9.32
43 Technetium Tc 11.5
19 Potassium
K
0.862
52 Tellurium
Te 6.24
59 Praseodymium Pr 6.773
65 Terbium
Tb 8.27
61 Promethium Pm 7.264
81 Thallium
Tl
11.85
91 Protactinium Pa 15.37
90 Thorium
Th 11.70
88 Radium
Ra 5.5
69 Thulium
Tm 9.321
86 Radon
Rn 0.0097
50 Tin
Sn 6.5
75 Rhenium
Re 21.02
22 Titanium
Ti
4.54
45 Rhodium
Rh 12.41
74 Tungsten
W 19.3
37 Rubidium
Rb 1.532
92 Uranium
U 16.95
44 Ruthenium
Ru 12.41
23 Vanadium
V
6.11
104 Rutherfordium Rf ~18
54 Xenon
Xe 0.0059
62 Samarium
Sm
7.54
70 Ytterbium
Yb 6.98
21 Scandium
Sc 2.989
39 Yttrium
Y
4.47
106 Seaborgium Sg ~18
30 Zinc
Zn 7.13
34 Selenium
Se 4.5
40 Zirconium
Zr 6.06
RADIOACTIVITY
Z
X
Z
=
atomic # (number of protons)
A
X
=
element
A
=
mass # (number of protons and neutrons)
Z
Z-2
Decay
Alpha
X
6
X +
"
A
A-4
Z
Z+1
Modes
Beta Minus
X
6
X +
$
A
A
-
Z
Z-1
Beta Plus (Positron)
X
6
X +
$
A
A
+
Z
Z-1
Electron Capture
X
6
X
A
A
8
Z
Density
Z
Density
76 Osmium
Os 22.57
14 Silicon
Si
2.33
8
Oxygen
O 0.00143 47 Silver
Ag 10.5
46 Palladium
Pd 12.02
11 Sodium
Na 0.97
15 Phosphorus
P
2.2
38 Strontium Sr 2.54
78 Platinum
Pt 21.45
16 Sulfur
S
2.0
94 Plutonium
Pu 19.84
73 Tantalum
Ta 16.6
84 Polonium
Po 9.32
43 Technetium Tc 11.5
19 Potassium
K
0.862
52 Tellurium
Te 6.24
59 Praseodymium Pr 6.773
65 Terbium
Tb 8.27
61 Promethium Pm 7.264
81 Thallium
Tl
11.85
91 Protactinium Pa 15.37
90 Thorium
Th 11.70
88 Radium
Ra 5.5
69 Thulium
Tm 9.321
86 Radon
Rn 0.0097
50 Tin
Sn 6.5
75 Rhenium
Re 21.02
22 Titanium
Ti
4.54
45 Rhodium
Rh 12.41
74 Tungsten
W 19.3
37 Rubidium
Rb 1.532
92 Uranium
U 16.95
44 Ruthenium
Ru 12.41
23 Vanadium
V
6.11
104 Rutherfordium Rf ~18
54 Xenon
Xe 0.0059
62 Samarium
Sm
7.54
70 Ytterbium
Yb 6.98
21 Scandium
Sc 2.989
39 Yttrium
Y
4.47
106 Seaborgium Sg ~18
30 Zinc
Zn 7.13
34 Selenium
Se 4.5
40 Zirconium
Zr 6.06
RADIOACTIVITY
Z
X
Z
=
atomic # (number of protons)
A
X
=
element
A
=
mass # (number of protons and neutrons)
Z
Z-2
Decay
Alpha
X
6
X +
"
A
A-4
Z
Z+1
Modes
Beta Minus
X
6
X +
$
A
A
-
Z
Z-1
Beta Plus (Positron)
X
6
X +
$
A
A
+
Z
Z-1
Electron Capture
X
6
X
A
A
8