Bách khoa Toàn thư Việt Nam
với các mục từ chính thức và đóng góp bởi cộng đồng
- ● Mới viết
- ● Văn học
- ● Toán học
- ● Vật lý học
- ● Hóa học
- ● Sinh học
- ● Địa lý học
- ● Công nghệ thông tin
- ● Toàn bộ
Brôm Brôm (theo tiếng Pháp brome /bʁom/) là nguyên tố hóa học thứ 3 thuộc nhóm Halogen (bao gồm flo, clo, brôm, iốt, astatin), có ký hiệu Br và số nguyên tử 35. Cả nhóm Halogen thuộc nhóm VIIA trong bảng hệ thống tuần hoàn. |
|||
New articles
<img src="icon/right-arrow.svg" alt="">
Alexandra Rud
that only five Jain temples (one pictured) remain in the Kumbhariya
district of Gujarat out of hundreds that were destroyed by volcanic activity?
<img src="icon/right-arrow.svg" alt="">
Venus
Venus is the second planet from the Sun. It is named after the Roman goddess of love and beauty. As the second-brightest natural object in the night sky after the Moon, Venus can cast shadows and can be, on rare occasion, visible to the naked eye in broad daylight.
<img src="icon/right-arrow.svg" alt="">
Muriel Odessa “Nellie” Weekes
Was a Bajan nurse and midwife who was active in women’s rights issues. Campaigning for better pay and working in social welfare projects, she turned to politics in the 1940s at a time when most women were not politically active in Barbados.
<img src="icon/right-arrow.svg" alt="">
P. R. Krishna Kumar
Was an Indian ayurvedic physician and the founder of the AVP Research Foundation, a non-profit research organisation promoting research in the Indian medicine system of Ayurveda and managing director of The Arya Vaidya Pharmacy (Coimbatore) Ltd.
<img src="icon/right-arrow.svg" alt="">
Norman invasion of Ireland
The Anglo-Norman invasion of Ireland took place during the late 12th century, when Anglo-Normans gradually conquered and acquired large swathes of land from the Irish, which the kingdom of England then claimed sovereignty over.
<img src="icon/right-arrow.svg" alt="">
Rhodesian mission in Lisbon
The Rhodesian mission in Lisbon (Portuguese: Missão da Rodésia em Lisboa), the capital of Portugal, operated from September 1965 to May 1975. It was a diplomatic mission representing Rhodesia (or Southern Rhodesia), initially as a self-governing colony of Britain and
Random articles
<img src="icon/right-arrow.svg" alt="">
Alexandra Rud
that only five Jain temples (one pictured) remain in the Kumbhariya
district of Gujarat out of hundreds that were destroyed by volcanic activity?
<img src="icon/right-arrow.svg" alt="">
Venus
Venus is the second planet from the Sun. It is named after the Roman goddess of love and beauty. As the second-brightest natural object in the night sky after the Moon, Venus can cast shadows and can be, on rare occasion, visible to the naked eye in broad daylight.
<img src="icon/right-arrow.svg" alt="">
Muriel Odessa “Nellie” Weekes
Was a Bajan nurse and midwife who was active in women’s rights issues. Campaigning for better pay and working in social welfare projects, she turned to politics in the 1940s at a time when most women were not politically active in Barbados.
<img src="icon/right-arrow.svg" alt="">
P. R. Krishna Kumar
Was an Indian ayurvedic physician and the founder of the AVP Research Foundation, a non-profit research organisation promoting research in the Indian medicine system of Ayurveda and managing director of The Arya Vaidya Pharmacy (Coimbatore) Ltd.
<img src="icon/right-arrow.svg" alt="">
Norman invasion of Ireland
The Anglo-Norman invasion of Ireland took place during the late 12th century, when Anglo-Normans gradually conquered and acquired large swathes of land from the Irish, which the kingdom of England then claimed sovereignty over.
<img src="icon/right-arrow.svg" alt="">
Rhodesian mission in Lisbon
The Rhodesian mission in Lisbon (Portuguese: Missão da Rodésia em Lisboa), the capital of Portugal, operated from September 1965 to May 1975. It was a diplomatic mission representing Rhodesia (or Southern Rhodesia), initially as a self-governing colony of Britain and
Social science
<img src="img/rocket.jpg" alt="">
Abu Ishaq Ibrahim
Abu Ishaq was born on September 21, 953,[1] his father was Mu’izz al-Dawla, while his mother was a daughter of the Dailamite officer Ispahdost. Abu Ishaq had four brothers named Bakhtiyar, Habashi, Marzuban, Abu Tahir, and a sister named Zubayda. Abu Ishaq, during his youth, was tutored in Baghdad.[2]
<img src="img/rocket.jpg" alt="">
Abu Ishaq Ibrahim
Abu Ishaq was born on September 21, 953,[1] his father was Mu’izz al-Dawla, while his mother was a daughter of the Dailamite officer Ispahdost. Abu Ishaq had four brothers named Bakhtiyar, Habashi, Marzuban, Abu Tahir, and a sister named Zubayda. Abu Ishaq, during his youth, was tutored in Baghdad.[2]
<img src="img/rocket.jpg" alt="">
Abu Ishaq Ibrahim
Abu Ishaq was born on September 21, 953,[1] his father was Mu’izz al-Dawla, while his mother was a daughter of the Dailamite officer Ispahdost. Abu Ishaq had four brothers named Bakhtiyar, Habashi, Marzuban, Abu Tahir, and a sister named Zubayda. Abu Ishaq, during his youth, was tutored in Baghdad.[2]
<img src="img/rocket.jpg" alt="">
Abu Ishaq Ibrahim
Abu Ishaq was born on September 21, 953,[1] his father was Mu’izz al-Dawla, while his mother was a daughter of the Dailamite officer Ispahdost. Abu Ishaq had four brothers named Bakhtiyar, Habashi, Marzuban, Abu Tahir, and a sister named Zubayda. Abu Ishaq, during his youth, was tutored in Baghdad.[2]
<img src="img/rocket.jpg" alt="">
Abu Ishaq Ibrahim
Abu Ishaq was born on September 21, 953,[1] his father was Mu’izz al-Dawla, while his mother was a daughter of the Dailamite officer Ispahdost. Abu Ishaq had four brothers named Bakhtiyar, Habashi, Marzuban, Abu Tahir, and a sister named Zubayda. Abu Ishaq, during his youth, was tutored in Baghdad.[2]
Technique
<img src="img/rocket.jpg" alt="">
Abu Ishaq Ibrahim
Abu Ishaq was born on September 21, 953,[1] his father was Mu’izz al-Dawla, while his mother was a daughter of the Dailamite officer Ispahdost. Abu Ishaq had four brothers named Bakhtiyar, Habashi, Marzuban, Abu Tahir, and a sister named Zubayda. Abu Ishaq, during his youth, was tutored in Baghdad.[2]
<img src="img/rocket.jpg" alt="">
Abu Ishaq Ibrahim
Abu Ishaq was born on September 21, 953,[1] his father was Mu’izz al-Dawla, while his mother was a daughter of the Dailamite officer Ispahdost. Abu Ishaq had four brothers named Bakhtiyar, Habashi, Marzuban, Abu Tahir, and a sister named Zubayda. Abu Ishaq, during his youth, was tutored in Baghdad.[2]
<img src="img/rocket.jpg" alt="">
Abu Ishaq Ibrahim
Abu Ishaq was born on September 21, 953,[1] his father was Mu’izz al-Dawla, while his mother was a daughter of the Dailamite officer Ispahdost. Abu Ishaq had four brothers named Bakhtiyar, Habashi, Marzuban, Abu Tahir, and a sister named Zubayda. Abu Ishaq, during his youth, was tutored in Baghdad.[2]
<img src="img/rocket.jpg" alt="">
Abu Ishaq Ibrahim
Abu Ishaq was born on September 21, 953,[1] his father was Mu’izz al-Dawla, while his mother was a daughter of the Dailamite officer Ispahdost. Abu Ishaq had four brothers named Bakhtiyar, Habashi, Marzuban, Abu Tahir, and a sister named Zubayda. Abu Ishaq, during his youth, was tutored in Baghdad.[2]
<img src="img/rocket.jpg" alt="">
Abu Ishaq Ibrahim
Abu Ishaq was born on September 21, 953,[1] his father was Mu’izz al-Dawla, while his mother was a daughter of the Dailamite officer Ispahdost. Abu Ishaq had four brothers named Bakhtiyar, Habashi, Marzuban, Abu Tahir, and a sister named Zubayda. Abu Ishaq, during his youth, was tutored in Baghdad.[2]