Chlorine is the element located in Period 3 that is used for water purification. It is also a member of the Halogen group.
Commonly ozone is used to purify water. The ozone breaks down into normal molecular oxygen and a free elemental oxygen. The elemental oxygen is very reactive and is able to effectively kill bacteria, purifying the water.
metal, very similar to aluminum. used for cladding reactor fuel pellets in water reactors.
In the Bible, the number 40 is often used to symbolize a period of testing, preparation, or transition. It is associated with important events such as the 40 days and nights of rain during the Great Flood, Jesus' 40 days of fasting in the wilderness, and the Israelites' 40 years of wandering in the desert. This period of 40 days is seen as a time of spiritual growth, purification, and transformation.
Robert Koch, he used potato slices to grow individual bacteria colonies.
Boron is the element; it is present in a salt called natron.
Depends on what you're trying to purify it from...
Iodine - http://en.wikipedia.org/wiki/Iodine
The halogen used in the zero B purification of water is iodine. It is commonly used in water purification systems for its disinfection properties, helping to kill bacteria and other harmful microorganisms in the water.
chlorine
Carbon is a non-metal that is commonly used in water purification processes. It is used in the form of activated carbon to adsorb impurities, such as chemicals, organic compounds, and pollutants, from water.
Carbon filters are used for home water purification in homes because carbon is able to filter out may toxins that are harmful.
Purification
Chlorine is the most common at the community level, but iodine can also be used.
A magnifying glass can be used for water purification by focusing sunlight through the glass onto contaminated water. The heat from the concentrated sunlight can kill harmful bacteria and pathogens in the water, making it safer to drink.
Human waste is likely safe to drink, after being put through a lengthly purification process.
This element is silicon (Si).
Chlorine is the most common at the community level, but iodine can also be used.