Strontium sī 1 ê hoà-ha̍k goân-sò͘. I ê goân-chú-hoan sī 38, hoà-ha̍k hû-hō sī Sr.
Strontium, 38Sr
 |
| Ki-pún sèng-chit |
|---|
| Miâ, hû-hō |
strontium, Sr |
|---|
| Gōa-hêng |
silvery white metallic; with a pale yellow tint[1] |
|---|
| Strontium tī chiu-kî-piáu lāi ê ūi-tì |
|---|
|
|
| Goân-chú-hoan |
38 |
|---|
| Goân-chú-liōng (±) |
87.62(1)[2] |
|---|
| Goân-sò͘ lūi-pia̍t |
kiⁿ-thó͘ kim-sio̍k |
|---|
| Cho̍k, hun-khu |
2 cho̍k, s khu |
|---|
| Chiu-kî |
tē 5 chiu-kî |
|---|
| Tiān-chú pâi-lia̍t |
[Kr] 5s2 |
|---|
| per shell |
2, 8, 18, 8, 2 |
|---|
| Bu̍t-lí sèng-chit |
|---|
| Siòng |
kò͘-thé |
|---|
| Iûⁿ-tiám |
1050 K (777 °C, 1431 °F) |
|---|
| Hut-tiám |
1650 K (1377 °C, 2511 °F) |
|---|
| Bi̍t-tō͘ (sek-un) |
2.64 g·cm−3 |
|---|
|
2.375 g·cm−3 |
| Iûⁿ-hoà-jia̍t |
7.43 kJ·mol−1 |
|---|
| Cheng-hoat-jia̍t |
141 kJ·mol−1 |
|---|
| Jia̍t-iông-liōng |
26.4 J·mol−1·K−1 |
|---|
cheng-khì-ap
| P (Pa)
|
1
|
10
|
100
|
1 k
|
10 k
|
100 k
|
| tī T (K)
|
796
|
882
|
990
|
1139
|
1345
|
1646
| |
| Goân-chú sèng-chit |
|---|
| Sng-hòa-sò͘ |
2, 1[3] (a strongly basic oxide) |
|---|
| Tiān-hū-tō͘ |
Pauling scale: 0.95 |
|---|
| Tiān-lī-lêng |
1st: 549.5 kJ·mol−1
2nd: 1064.2 kJ·mol−1
3rd: 4138 kJ·mol−1 |
|---|
| Goân-chú pòaⁿ-kèng |
empirical: 215 pm |
|---|
| Kiōng-kè pòaⁿ-kèng |
195±10 pm |
|---|
| Van der Waals pòaⁿ-kèng |
249 pm |
|---|
| Cha̍p-lio̍k |
|---|
| Chiⁿ-thé kò͘-chō |
face-centered cubic (fcc) |
|---|
| Jia̍t-phòng-tiòng |
22.5 µm·m−1·K−1 (at 25 °C) |
|---|
| Jia̍t-thoân-tō-lu̍t |
35.4 W·m−1·K−1 |
|---|
| Tiān-chó͘-lu̍t |
132 nΩ·m (at 20 °C) |
|---|
| Chû-sèng |
paramagnetic |
|---|
| Young hē-sò͘ |
15.7 GPa |
|---|
| Shear hē-sò͘ |
6.03 GPa |
|---|
| Poisson pí |
0.28 |
|---|
| Mohs ngē-tō͘ |
1.5 |
|---|
| CAS teng-kì pian-hō |
7440-24-6 |
|---|
| Le̍k-sú |
|---|
| Hō-miâ |
after the mineral strontianite, itself named after Strontian, Scotland |
|---|
| Hoat-hiān |
William Cruickshank (1787) |
|---|
| Siōng chá hû-lî |
Humphry Davy (1808) |
|---|
| Chòe ún-tēng ê tông-ūi-sò͘ |
|---|
|
Chú bûn-chiong: strontium ê tông-ūi-sò͘ |
| iso
|
NA
|
half-life
|
DM
|
DE (MeV)
|
DP
|
| 82Sr
|
syn
|
25.36 d
|
ε
|
–
|
82Rb
|
| 83Sr
|
syn
|
1.35 d
|
ε
|
–
|
83Rb
|
| β+
|
1.23
|
83Rb
|
| γ
|
0.76, 0.36
|
–
|
| 84Sr
|
0.56%
|
–
|
(β+β+)
|
1.7867
|
84Kr
|
| 85Sr
|
syn
|
64.84 d
|
ε
|
–
|
85Rb
|
| γ
|
0.514D
|
–
|
| 86Sr
|
9.86%
|
86Sr is stable with 48 neutrons
|
| 87Sr
|
7.0%
|
87Sr is stable with 49 neutrons
|
| 88Sr
|
82.58%
|
88Sr is stable with 50 neutrons
|
| 89Sr
|
syn
|
50.52 d
|
ε
|
1.49
|
89Rb
|
| β−
|
0.909D
|
89Y
|
| 90Sr
|
trace
|
28.90 y
|
β−
|
0.546
|
90Y
| |
|
Decay modes in parentheses are predicted, but have not yet been observed |
