Everyone has trouble with electron configurations and quantum numbers. Well today we are going to settle the score with a little practice!

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!

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...

Poison books that contain arsenic in their cover or spine have been identified in some of Western University's libraries in London, Ont. Special collections and rare books librarian Deborah Meert-Williston explains what makes the books...

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...

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.

The recall is for 1-liter glass bottles with best-by dates of March 9 and 10, 2026.

A Californian community is dealing with high concentrations of arsenic, where they want it least, in their water.

Some Yellowknife children have levels among the top five per cent of Canadians. That's the biggest surprise for the Yellowknife Health Effects Monitoring Program. It asked youth between three and 19 years old to get tested for arsenic,...

Mercury, sulphur, salamoniac (ammonium chloride) and Arsenic sulphide being displayed in front of test tube holder, UK (sound available)

Water Hyacinths, Eichhornia crassipes, flowing down the historic Hillsborough River on a cloudy day in Sulphur Springs, Florida. HD Format

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...

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

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...

Dhaka, Bangladesh - March 27, 2010

1. Wideshot of hospital
ward
2. Wideshot of doctor visiting patient
Dulal Miah
3. Midshot of Du
lal...

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.

CLEAN : Arsenic other contaminants found in Brazilian mine river Vale

Bengal/Nat

Thousands of people in India have fallen ill after drinking water contaminated with arsenic from the s
oil.
More than 200-thousand people in West Bengal have developed...

The Tennessee Valley Authority has long been revered in East Tennessee for providing good jobs, cheap electricity and lovely campgrounds and lakes.

The Tennessee Valley Authority has long been revered in East Tennessee for providing good jobs, cheap electricity and lovely campgrounds and lakes.

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...

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 H
elena
2. vs buildings on
St Helena
3. vs...