Analysis of the chemical element Al-potassium, according to the periodic table.

Chemical element – aluminum (Al)
Is in the third period (small), in the third group (main subgroup)
Serial number – 13
Ar = 27
Atom structure:
Number e = 13, number p = 13, number of neutrons n = 14
+ 13Al) 2) 8) 3 1s2 2s2 2p6 3s2 3p1
At the last energy level there is 1 electron, the level is not complete.
Valence is III
Superior oxide formula: Al2O3, the character of the oxide is amphoteric.
Base formula: Al (OH) 3
It has no volatile hydrogen compound.
Chemical element – potassium (K)
Is in the fourth period (large), in the first group (main subgroup)
Serial number – 19
Ar = 40
Atom structure:
Number e = 19, number p = 19, number n = 21
+ 19K) 2) 8) 8) 1 1s2 2s2 2p6 3s2 3p6 4s1
At the last energy level there is 1 electron, the level is not complete.
Valence is equal to I
Superior oxide formula: K2O, the nature of the oxide is basic.
Base formula: KOH
It has no volatile hydrogen compound.



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