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chlorine (Cl), chemical element, the second lightest member of the halogen elements, or Group 17 (Group VIIa) of the periodic table.
Is chlorine symbol CI or Cl?
Chlorine is a chemical element with symbol Cl and atomic number 17. Classified as a halogen, Chlorine is a gas at room temperature.Chlorine. Atomic Mass 35.45u Year Discovered 1774.
Is chlorine Cl or Cl2?
Re: Cl vs Cl2 Yes, chlorine gas is Cl2. There are 7 diatomic molecules (H,O,N,Cl,Br,I,F), so whenever these are gases or “exist naturally”, you should use the subscript 2. Hope this helps!Oct 29, 2020.
Where is chlorine in the periodic table?
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).
What is the symbol for chlorine and chloride?
While the symbol of chlorine is Cl, of chloride is Cl⁻.
Why chlorine is written as CL2?
Answer: Explanation: We write chlorine as CL2 because chlorine is a non metallic gas . Also as chlorine is a gas it occurs in diatomic form as cl2 such as hydrogen(h2).
Why is the symbol of chlorine CL and not ch?
Answer: Chlorine was discovered by Humphry Davy in the early 19th century and was named after the Greek word ‘chloros’ which meant that it had to be differentiated from carbon with the addition of either h or l after the case of carbon.
How do you write chlorine?
Chlorine is a chemical element with the symbol Cl and atomic number 17.
What is pool chlorine?
Chlorine is added to the water to kill germs. When it is added to a swimming pool, it forms a weak acid called hypochlorous acid that kills bacteria like salmonella and E. coli, as well as germs that cause viruses such as diarrhea and swimmer’s ear. How is pool water chlorinated?.
Is chlorine a liquid?
Chlorine is a greenish yellow gas at room temperature and atmospheric pressure. It is two and a half times heavier than air. It becomes a liquid at −34 °C (−29 °F). Its high affinity for hydrogen allows chlorine to react with many compounds containing hydrogen.
What is chlorine chemistry?
chlorine (Cl), chemical element, the second lightest member of the halogen elements, or Group 17 (Group VIIa) of the periodic table. Chlorine is a toxic, corrosive, greenish yellow gas that is irritating to the eyes and to the respiratory system. chlorine. Properties of chlorine.
What’s the atomic number of chlorine?
17
How do you convert Cl to Cl2?
Is there a calculation or reliable conversion factor that one can use to convert the chloride results to that of chlorine as free Cl2? As the IC will only measure chloride, then dividing the IC results by 2 will give the corresponding amount diatomic Cl2.
What is the chemical name for chlorine?
Cl Element Name Chlorine Element Symbol Cl Atomic Number 17.
What is the formula for a chlorine molecule?
Formula and structure: the chemical structure of chlorine gas is Cl2 and its molecular weight is 70 g/mol. Its structure is Cl-Cl, which is also called the element form of the chlorine element, consist in 2 atoms of chlorine joined by a covalent bond.
Is chlorine a base or acid?
A strong acid like HCl donates its proton so readily that there is essentially no tendency for the conjugate base Cl– to reaccept a proton. Consequently, Cl– is a very weak base. A strong base like the H– ion accepts a proton and holds it so firmly that there is no tendency for the conjugate acid H2 to donate a proton.
Is bleach a chlorine?
When you buy a gallon of bleach at the grocery store, what you are buying is the chemical sodium hypochlorite mixed with water in a 5.25-percent solution. Chlorine is chlorine, so the chlorine in bleach is the same as the chlorine in drinking water and in a swimming pool.
Where does the chlorine come from?
Elemental chlorine does not exist naturally on our planet but is manufactured by electrolysis of seawater. The vast deposits of salt created during millions of years of continental upheaval and slow evaporation of the ancient Lake Bonneville are mined on the shores of the present-day Great Salt Lake.
Why is chlorine green?
Chlorine gas is green. This is because, In the periodic table, the halogen family are coloured elements. As they get heavier the colour gets darker.
Why is chlorine greenish yellow?
Don’t get confused between the color yellow and greenish yellow, sometimes chlorine gas may look yellow but the color of chlorine gas is greenish yellow. This yellow colouration of chlorine is because of the prolonged chlorosis of the chlorine gas. Freshly prepared chlorine gas is greenish-yellow colour.
What colour is chlorine?
Chlorine is an greenish-yellow gaseous element. Its atomic number is 17, and is one of the class called halogens in the periodic table.
What is a symbol of copper?
copper (Cu), chemical element, a reddish, extremely ductile metal of Group 11 (Ib) of the periodic table that is an unusually good conductor of electricity and heat. Copper is found in the free metallic state in nature.
What is the symbol of bromine?
bromine (Br), chemical element, a deep red noxious liquid, and a member of the halogen elements, or Group 17 (Group VIIa) of the periodic table.
What is the symbol for sodium?
Na
What is chlorine Valency?
The chlorine element belongs to group 17 because it has 7 valence electron . Its valency is 1 . It can gain one electron from any other atom to become stable. This means that it can never form a double or triple bond. Hence , we conclude that the valency of chlorine is 1 .
What does atomic number represent?
atomic number, the number of a chemical element in the periodic system, whereby the elements are arranged in order of increasing number of protons in the nucleus. Accordingly, the number of protons, which is always equal to the number of electrons in the neutral atom, is also the atomic number.
How do you calculate chlorine equivalent?
Equivalent weight of chlorine molecule in the equation is: 3Cl2 + 6NaOH ⟶ 5NaCl + NaClO3 + 3H2O.
How many moles are in Cl2?
The approach is outlined below: 39.2 g Cl2(1 mole of Cl270.9 g Cl2)(6.022⋅1023molecules Cl21 mole Cl2)=3.33⋅1023 molecules Cl2 . Hence, the answer is 3.33⋅1023 molecules of Cl2. Note that 6.022⋅1023 is also known as Avogadro’s number, and it can be referred to as the number of molecules in one mole of that substance.
When chlorine ions are converted to Cl2 What is the oxidation number of chlorine changes?
−1 to +2.
How do you write the formula for chlorine gas?
Cl2.
