Basic Facts
What is the symbol for Chlorine
Cl
What is the state of matter of Chlorine at room temperature?
Gas
Who first discovered chlorine?
Carl Wilhelm Scheele
What is chlorine used to disinfect?
Drinking water/pools
What's the atomic number for Chlorine?
17
What's Chlorine's 2 phases while being at it's melting point?
Solid and liquid
What element did Scheele originally think chlorine contained?
Oxygen
What property makes chlorine effective at killing bacteria?
Oxidizing
What's the average atomic mass of Chlorine?
35.45 amu
Compared to sulfur, chlorine has a higher value for which property?
Electronegativity
What year was chlorine first discovered?
1774
Which part of the human body is primarily threatened by chlorine gas exposure?
Lungs/respiratory system
What group on the periodic table is Chlorine in?
Halogens/Group 17
Why is chlorine a gas at room temperature but can still react easily with many substances?
High electronegativity reactivity
Where was Chlorine found? Ex: Usa or Italy
Koping, Sweden
Chlorine reacts with which element to produce table salt?
Sodium
What is the electron configuration of chlorine?
1s^2, 2s^2, 2p^6, 3s^2, 3p^5
Chlorine is more reactive than nearby elements because it needs how many electrons to complete its valence shell?
One
What two things were mixed that created chlorine?
Hydrochloric acid and manganese dioxide
Why do you need to handle chlorine carefully?
It is toxic/corrosive/irritant