21st October 2019

jlab

20

What are 3 uses for chlorine?

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Chlorine is commonly used as an antiseptic and is used to make drinking water safe and to treat swimming pools. Large amounts of chlorine are used in many industrial processes, such as in the production of paper products, plastics, dyes, textiles, medicines, antiseptics, insecticides, solvents and paints.

Furthermore, what group is chlorine found in?

Chlorine is in group 17 of periodic table, also called the halogens, and is not found as the element in nature - only as a compound. The most common of these being salt, or sodium chloride, and the potassium compounds sylvite (or potassium chloride) and carnallite (potassium magnesium chloride hexahydrate).

Which family does fluorine and chlorine belong to?

Halogen element, any of the six nonmetallic elements that constitute Group 17 (Group VIIa) of the periodic table. The halogen elements are fluorine (F), chlorine (Cl), bromine (Br), iodine (I), astatine (At), and tennessine (Ts).

What family does the element magnesium belong to?

Located in the second column of the periodic table, magnesium is in the family of alkaline earth metals with calcium (Ca) and beryllium (Be). When purified, magnesium is a very light and silvery metal.

1

What has chlorine?

Chlorine is commonly used as an antiseptic and is used to make drinking water safe and to treat swimming pools. Large amounts of chlorine are used in many industrial processes, such as in the production of paper products, plastics, dyes, textiles, medicines, antiseptics, insecticides, solvents and paints.

2

Where chlorine is found?

Chlorine can be found in abundance in both the Earth's crust and in ocean water. In the ocean, chlorine is found as part of the compound sodium chloride (NaCl), also known as table salt. In the Earth's crust, the most common minerals containing chlorine include halite (NaCl), carnallite, and sylvite (KCl).

3

What is the PH of chlorine?

The pH scale goes from 0 to 14, where pH 7 is neutral. If the pH is above 7, the water is basic; if it is below 7 the water is acid. The optimum pH for pool water is 7.4, since this is the same as the pH in human eyes and mucous membranes. A pH of 7.4 also gives good chlorine disinfection.

4

Is Chlorine is poisonous?

Chlorine is a chemical that prevents bacteria from growing. Chlorine poisoning occurs when someone swallows or breathes in (inhales) chlorine. This article is for information only. DO NOT use it to treat or manage an actual poison exposure.

5

Is chlorine toxic?

Chlorine gas was used as a chemical weapon in World War I. Currently, occupational exposures constitute the highest risk for serious toxicity from high-concentration chlorine. Mixing of chlorine bleach (sodium hypochlorite) with ammonia or acidic cleaning agents is a common source of household exposure.

6

What does chlorine do?

Hypochlorous acid is the active, killing form of chlorine. This is what does the real sanitizing work in your pool water. The chlorine molecule or ion kills microorganisms by slashing through the cell walls and destroying inner enzymes, proteins and processes.

7

What group is chlorine found in?

Chlorine is in group 17 of periodic table, also called the halogens, and is not found as the element in nature - only as a compound. The most common of these being salt, or sodium chloride, and the potassium compounds sylvite (or potassium chloride) and carnallite (potassium magnesium chloride hexahydrate).

8

Where does chlorine comes from?

Identified as an element by Sir Humphry Davy in 1810. Occurrence: Found in nature dissolved in salts in seawater and in the deposits of salt mines. Today, most chlorine is produced through the electrolysis of aqueous sodium chloride.

9

What Colour is chlorine?

Colour. The halogens become darker as you go down the group. Fluorine is very pale yellow, chlorine is yellow-green, and bromine is red-brown. Iodine crystals are shiny purple - but easily turn into a dark purple vapour when they are warmed up.

10

Is bleach made from chlorine?

Chemically speaking, chlorine bleach is a water solution of sodium hypochlorite. Common household laundry bleach, used to whiten and disinfect laundry, is typically either 5.25 percent (“regular strength”) or 6 percent sodium hypochlorite (“ultra strength”).

11

Why chlorine is bad?

Chlorine is used in pool water because it kills bacteria and germs, oxidizes organic debris from perspiration and body oils, and fights algae. Chlorine can also cause health issues such as increased risk of developing allergies or asthma in kids.

12

What is the charge of chlorine?

When it does so, the outer valence shell of the Chlorine will be filled with eight electrons and so it will be stable. However, now it has one more electron than it has protons so it has a net charge of -1. It is now called the Chloride ion. Thus Chloride ions are stable and have a net charge of -1.

13

Where do you find chlorine in nature?

In nature it is only found combined with other elements chiefly sodium in the form of common salt (NaCl), but also in carnallite, and sylvite. Chlorides make up much of the salt dissolved in the earth's oceans: about 1.9 % of the mass of seawater is chloride ions.

14

How do you get chlorine?

Chlorine is produced by passing an electric current through a solution of brine (common salt dissolved in water). This process is called electrolysis. The chemical term for salt is sodium chloride (NaCl). Essential co-products are caustic soda (sodium hydroxide or NaOH) and hydrogen (H₂).

15

Is chlorine gas liquid or solid?

Elements can be classified based on their physical states (States of Matter) e.g. gas, solid or liquid. This element is a gas. The halogens exist, at room temperature, in all three states of matter - Gases such as Fluorine & Chlorine, Solids such as Iodine and Astatine and Liquid as in Bromine.

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How did Carl Wilhelm Scheele Discover chlorine?

Chlorine was discovered in 1774 by Carl Wilhelm Scheele. He obtained it through the reaction of the mineral pyrolusite (manganese dioxide, MnO₂) with hydrochloric acid (HCl, then known as muriatic acid). Scheele thought the resulting gas contained oxygen.

17

Is chlorine an acid?

When chlorine (in any form) is added to water, a weak acid called Hypochlorous acid is produced. It is this acid, not the chlorine, which gives water its ability to oxidize and disinfect. Proper chlorination and filtration give pool water its clear, sparkling appearance. Chlorine exists as a solid, a liquid and a gas.

18

Is chlorine a nonmetal?

Many nonmetals are extremely greedy for electrons and will take them from metals. In these reactions, a nonmetal like nitrogen, oxygen, fluorine, chlorine, phosphorus, bromine, or sulfur will attack a metal and steal its electrons. The nonmetal, with its surplus of electrons, is now a 'negatively' charged ion.

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What are the characteristics of chlorine?

Chlorine is a toxic gas that irritates the skin, the eyes and the respiratory system. Characteristics: Chlorine is a greenish-yellow, diatomic, dense gas with a sharp smell (the smell of bleach). It is not found free in nature as it combines readily with nearly all other elements.

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How abundant is chlorine?

Chlorine occurs commonly both in the Earth's crust and in seawater. Its abundance in the earth is about 100 to 300 parts per million. It ranks 20th among the elements in abundance in the earth. Its abundance in seawater is about 2 percent.

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