Radium

Àwọn Àmì-ìwé 88 · 226.02541 u

Ìṣàmúlò-ètò Àwọn àgbèwọlé Àwọn ìṣàmúlò-ètò 7 Àwọn 2 Ìgúnrégé nínú àwọn ààyè-iṣẹ́ Àwọn àwọn ààyè-iṣẹ́ t½ 1600 years Wikipedia →

Radium jẹ ohun elo irin ti o ni agbara radioactive to gaju ti a lo ni ibigbogbo ni awọn awọ ti o ni agbara.

Àwọn Àbùdá Ìṣàmúlò-ètò

Àwọn Ìṣàmúlò-ètò	226.02541 u
Ìjánu-ìṣàmúlò-ètò	5.5 g/cm³
Àwọn Ìjánu-ìṣàmúlò-ètò	973.0 K
Àwọn ààyè-iṣẹ́	2010.0 K
Àwọn Ìṣàfilọ́lẹ̀	Ìwọ̀n-ìwọ̀n
Àwọn Ìjánu-ìsún	Ìgúnrégé

Àwọn Àbùdá Kemikali

Àwọn Ìṣàmúlò-ètò	0.9 (Àwọn Ìṣàmúlò-ètò)
Ìṣàmúlò-ètò	509.3 kJ/mol
Àwọn Ìṣàmúlò-ètò	9.65 kJ/mol
Àwọn Ìṣàmúlò-ètò	+2

Àwọn Àbùdá Àtòjọ-ẹ̀yàn

Àwọn Ìgúnrégé	[Rn] 7s2
Àwọn àwọn ààyè-iṣẹ́	221.0 pm
Àwọn àwọn ààyè-iṣẹ́	221.0 pm
Àwọn àwọn ààyè-iṣẹ́	283.0 pm

Àwọn ààyè-iṣẹ́

Tí a Fi Paṣẹ̀	Marie Curie, Pierre Curie
Àwọn àwọn	1898
Ààyè	Paris, France
Àwọn àwọn	Latin 'radius' meaning ray

Àwọn Àkọlé Radium

Radium is a luminous, silvery-white radioactive metal discovered by the Curies. It glows blue due to intense radioactivity. The 'Radium Girls' who painted watch dials suffered tragic radiation poisoning.

Àwọn Ìṣàmúlò-ètò

Formerly used in luminous paint and quack medicine. Now mostly replaced in radiation therapy.

Àwọn Àwọn Àkọ́gbégbé

Awọn 'Radium Girls' ti o ṣe apẹrẹ awọn dials ti o ni itara ti o ni itara, ti o mu ki awọn ofin aabo iṣẹ-iṣẹ.

Ìṣàmúlò-ètò

Àwọn Ìṣàmúlò-ètò	Ìgbà Ìṣàmúlò-ètò	Ìgbà Ìparí Ìṣẹ́	Ìdáràn
223	-	11.43 days	_Kò
224	-	3.6319 days	_Kò
226	-	1600 years	_Kò
228	-	5.75 years	_Kò

Àwọn Ìgúnrégé

[Rn] 7s2

Àwọn ìṣàfarawé

Àwọn àwọn

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