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Interactive Structure of the Chlorine.

"Chlorine Quiz" is a small knowledge level game to select the correct properties of the chlorine chemical element. Fun educational game to study the atomic number, symbol, appearance, group, phase, number of electrons and crystal structure of the chlorine. Chemistry learning game, suitable for online lessons and interactive classes. Free online game.

This chemistry class game include the following chlorine properties:
  • Symbol: Cl
  • Atomic number: 17
  • Appearance: Pale yellow-green
  • Contained in: Swiming pool
  • Element Group: Reactive nonmetal - halogen
  • Electrons per shell: 2, 8, 7
  • Phase at Standard Temperature and Pressure: Gas
  • Crystal structure: Orthorhombic
Chlorine Quiz Educational Game

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How to play Chlorine Quiz

There are 8 properties of the chlorine chemical element to the left and right of the screen. Press the "Choose" button to select the correct property among 3 possible answers. Do this for all 8 properties to clear the chlorine element card and finish the quiz. Every wrong choice reduces one mark line.

Knowledge Achievements:
Know the chemical properties of the chlorine and get +1 Knowledge Level.
Difficulty: Medium.

Chlorine Quiz Screenshot

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Class subject: Chlorine.

Chlorine is a chemical element with the symbol Cl and atomic number 17. The second-lightest of the halogens, it appears between fluorine and bromine in the periodic table and its properties are mostly intermediate between them. Chlorine is a yellow-green gas at room temperature. It is an extremely reactive element and a strong oxidising agent.

The most common compound of chlorine, sodium chloride (common salt), has been known since ancient times. Around 1630, chlorine gas was first synthesised in a chemical reaction, but not recognised as a fundamentally important substance. Carl Wilhelm Scheele wrote a description of chlorine gas in 1774, supposing it to be an oxide of a new element. In 1809, chemists suggested that the gas might be a pure element, and this was confirmed in 1810.

In the form of chloride ions, chlorine is necessary to all known species of life. Other types of chlorine compounds are rare in living organisms, and artificially produced chlorinated organics range from inert to toxic. In the upper atmosphere, chlorine-containing organic molecules such as chlorofluorocarbons have been implicated in ozone depletion. Chlorine is usually used (in the form of hypochlorous acid) to fight bacteria and other microbes in drinking water supplies and public swimming pools. In most private swimming pools, chlorine itself is not used, but rather sodium hypochlorite.

Chlorine Chemical Card

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