Give the characterization of the element Cl in the periodic table according to plan

| September 30, 2021 | education

Give the characterization of the element Cl in the periodic table according to plan a) serial number, name, metal or non-metal. b) period number, large or small. c) group number, subgroup. d) atomic structure, electronic formula. e) the formula of the higher oxide, its nature.

Volatile hydrogen compound: H2S

Chemical element-chlorine (Cl)

Is in the third period (small), in the seventh group (main subgroup)

Serial number – 17

The relative atomic mass is 35.5

Atom structure:

The number of electrons is 17, the number of protons is 17, the number of neutrons is 18

+ 17P) 2) 8) 7 1s2 2s2 2p6 3s2 3p5

At the last energy level there are 5 electrons, the level is not complete.

The highest valency is VII

Superior oxide formula: Cl2O7, oxide character is acidic.

Volatile hydrogen compound: HCl



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