Professor Dave Explains
Practice Problem: Electron Configuration and Quantum Numbers
Everyone has trouble with electron configurations and quantum numbers. Well today we are going to settle the score with a little practice!
Professor Dave Explains
Periodic Table Part 6 Pnictogens (N, P, As, Sb, Bi, Mc)
It's time to check out Group 15 on the periodic table, the pnictogens. This includes nitrogen, phosphorus, arsenic, antimony, bismuth, and moscovium. What can we say about their properties, reactivities, and applications? Let's find out!
Curated Video
The Fascinating History and Uses of Arsenic
This video provides an overview of arsenic, a metalloid element. It discusses its history, uses, and toxicity. It also highlights its presence in various products and its potential role in our diet. The video emphasizes the importance of...
Curated Video
Is arsenic dust in Yellowknife a threat when there's a drought?
Low water is revealing things along Yellowknife Bay that we don't normally see: a lot of mud, a bit of garbage and some houseboats resting in the muck. But is the low water also exposing risk we can't see, like arsenic along the...
Curated Video
NYC DOI Report Confirms No Arsenic in Jacob Riis Houses Water
This situation caused significant anxiety among residents and incurred substantial costs for the city, largely due to a lack of knowledgeable leadership on the ground.
Curated Video
Martinelli's apple juice recalled over high arsenic levels
The recall is for 1-liter glass bottles with best-by dates of March 9 and 10, 2026.
Curated Video
Dangerous arsenic levels lurking in Californian town's water
A Californian community is dealing with high concentrations of arsenic, where they want it least, in their water.
Getty Images
Mercury, sulphur, salamoniac (ammonium chloride) and Arsenic sulphide being displayed in front of test tube holder, UK (sound available)
Mercury, sulphur, salamoniac (ammonium chloride) and Arsenic sulphide being displayed in front of test tube holder, UK (sound available)
Getty Images
Water Hyacinths, Eichhornia crassipes, flowing down river
Water Hyacinths, Eichhornia crassipes, flowing down the historic Hillsborough River on a cloudy day in Sulphur Springs, Florida. HD Format
Curated Video
Microbe found that widens scope for finding new forms of life
1. Wide of news conference
2. Cutaway of media
3. SOUNDBITE (English) Felisa Wolfe-Simon, NASA Astrobiology Institute: (clients note: soundbite partly overlaid with image of bacterium)
"I'd like to introduce to you today the bacterium...
Getty Images
Water Hyacinth, Eichhornia crassipes, root system cleaning the river
Close up of Water Hyacinth, Eichhornia crassipes, root system helping to keep waters of the Hillsborough River toxin free, early morning. Sulphur Springs, Florida, HD Format
Curated Video
One of the world's worst water poisoning incidents is still claiming victims
1. Various of villagers working near a pond, boating passing
2. Various of local people in a village in the suburbs of Dhaka
3. Mid of Salma, an arsenic patient, walking into health centre to consult with medic
4. Close up of Salma's...
Curated Video
1 in 5 dead after exposure to arsenic in water
Dhaka, Bangladesh - March 27, 2010
1. Wideshot of hospital ward
2. Wideshot of doctor visiting patient Dulal Miah
3. Midshot of Dulal Miah's feet
4. Tightshot of Dulal Miah's foot, showing the effects of arsenicosis
5. SOUNDBITE...
Curated Video
Newsy's Latest Health News
The U.S. will buy 500M doses of Pfizer's COVID vaccines for other countries. Some Beech-Nut infant rice cereal is recalled over arsenic concerns.
AFP News Agency
CLEAN : Arsenic other contaminants found in Brazilian mine river Vale
CLEAN : Arsenic other contaminants found in Brazilian mine river Vale
Curated Video
INDIA: WEST BENGAL:CONTAMINATED WATER CAUSES THOUSANDS OF DEATHS
Bengal/Nat
Thousands of people in India have fallen ill after drinking water contaminated with arsenic from the soil.
More than 200-thousand people in West Bengal have developed swollen joints, sores or discoloured skin after they...
Curated Video
Fallout from Tennessee coal ash spill
The Tennessee Valley Authority has long been revered in East Tennessee for providing good jobs, cheap electricity and lovely campgrounds and lakes.
Curated Video
Fallout from Tennessee coal ash spill continues
The Tennessee Valley Authority has long been revered in East Tennessee for providing good jobs, cheap electricity and lovely campgrounds and lakes.
AFP News Agency
CLEAN : French parents urge school relocation after arsenic poisoning
Children in danger we want the truth! Around fifty parents of students are demonstrating on the first day of the school year in the streets of Conques-sur-Orbiel in southern France to denounce pollution linked to a former arsenic mine...
Curated Video
CAN384 MODERN SCIENCE DEBATES THE QUESTION OF HOW NAPOLEON DIED
Modern science debates the question of how Napoleon died. Hair tested for traces of arsenic was found to contain substantial amounts of the substance.
1. vs St Helena
2. vs buildings on St Helena
3. vs interior scientists gather around...
University of Nottingham
University of Nottingham: Periodic Table of Videos: Arsenic
A look at arsenic and its toxic properties. [18:11]
PBS
Pbs Learning Media: Environmental Public Health: In Small Doses: Arsenic
This video segment adapted from 'In Small Doses: Arsenic' explains how arsenic contaminates groundwater and how people can protect themselves from its hazards. Most arsenic in groundwater comes from minerals in rocks that dissolve...