Summary
Summary Struktuur van ñ Atoom, Materie, Verbindings
- Course
- Physical Sciences
- Institution
- 9th Grade
Hierdie dokument gee ñ basiese opsomming van die struktuur van n atoom, basiese definisies, elemente op die periodieke tabel
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we tenska PAfbakening :
1 .
Handbook bl 101-119 :
↳ Periodicke Tabel en Elemente
↳ Name en formules van verbindings
Chemiese Reaksiesen
↳
balansering
Perodieke Tabel en Elemente :
Definisies :
Materie :
alles wat massa besit en volume beslach
·
word opgebon met atome
Struktur van i atoom :
Protron :
posetieve geldaide deeltjies wat in die atoom se kern
VOOrKOM
do
.
⑧
.
· Neutron :
Neutrale deeltjies wat in die atoom se kern
⑲
· voorkom .
Elektron ·
Negatief-gelaide deeltjies met baie energie
wat in die bane buite die atoom se kern beweeg .
#C
OOr At
Protron irone vorm die Kern
-
-
-
Protrone Utrone
=
Nukleone
-
Massa van in atoom - word deur die Kern ud atoom bepaal (p + n)
volume van n atoom=word deur die elektrone buite die kern bepaal
-
, .
Elemente :
-
i Element is i stof wat nie deur chemiese metodes in 2 of meer stowwe
opgebreek kan word nie .
-
Atome van dieself de element het dieselfde dantal protrone
3 Simbool Bestaan uit 1/2 letters
·
:
· Li
-
L it in m Eerste letter is altyd i Hoofletter , altydn Klein letter
I de een ↑
6 .
941 Naam van element
:
word nie altyd gegee nie .
Daarom moet jy die Iste z0 ken
Atoomgetal
Antari re
> :
~ Atoommassa :
gesament like massa van die atoom se protrone en neutrone
Massagetal Protrone Neutrone
= +
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