INLEIDING TOT DIE ATOOM EN CHEMIE
INLEIDING TOT DIE ATOOM EN CHEMIE
INLEIDING TOT DIE ATOOM EN CHEMIE
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Bladsy 52<br />
1. Voltooi die volgende vir die element kalsium:<br />
a. simbool: __________________________________________<br />
b. atoomgetal: _______________________________________<br />
c. aantal protone: _____________________________________<br />
d. aantal elektrone: ___________________________________<br />
e. massagetal: _______________________________________<br />
2. Bereken die aantal neutrone. _______________________________<br />
3. Voltooi die Aufbau-diagram en elektronstruktuur vir die element<br />
kalsium.<br />
a. Aufbau-diagram:<br />
b. Elektronstruktuur:<br />
3px 3py 3pz<br />
2px 2py 2pz<br />
c. Elektronkonfigurasie:<br />
______________________________________________________<br />
© Direct-Science<br />
Rangskikking van elemente op die Periodieke Tabel: Bladsy 53<br />
Bladsy 54<br />
1. Op wat word die elemente voorgestel? _______________________<br />
______________________________________________________<br />
2. Hoe word die elemente op die periodieke tabel gerangskik? ______<br />
______________________________________________________<br />
______________________________________________________<br />
3. Watter element het ‘n atoomgetal van 1? _____________________<br />
4. Hoe word ‘n element beskryf? ______________________________<br />
______________________________________________________<br />
______________________________________________________<br />
5. Skryf die name van die 4 groepe waarin elemente verdeel word. ___<br />
______________________________________________________<br />
______________________________________________________<br />
______________________________________________________<br />
Bladsy 55<br />
1. Beskryf die eienskappe van metale. _________________________<br />
______________________________________________________<br />
______________________________________________________<br />
______________________________________________________<br />
______________________________________________________<br />
Bladsy 56<br />
1. Beskryf die eienskappe van oorgangsmetale. _________________<br />
______________________________________________________<br />
______________________________________________________<br />
______________________________________________________<br />
______________________________________________________<br />
Bladsy 57<br />
1. Beskryf die eienskappe van metalloides. ____________________<br />
______________________________________________________<br />
______________________________________________________<br />
______________________________________________________<br />
______________________________________________________