R34.50

Resource Description

* Perodieke tabel (uiteensetting)

* Elemente + Uitleg daarvan

* Wat word bedoel met formule, chemiese reaksie en gee voorstelling van chemiese reaksies;

* Reaksies van metale met suurstof en yster met suurstof

* Woordvergelykings, Chemiese vergelykings en die verskil

* Vorming en voorkoming van roes

(VRAESTEL 1 EN MEMORANDUM)

* PH-skaal

* Indikators

* Basissen en sure (Eienskappe)

(VOLLEDIGE VRAESTEL 2 EN MEMORANDUM)

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