Materie en Materiale: Verbindings en Chemiese Reaksies Flashcards

1
Q

Uit wat is stowwe opgebou?

A

Elemente

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2
Q

Waarop word die elemente aangedui?

A

Periodieke Tabel

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3
Q

Wat word horisontale rye op die periodieke tabel genoem?

A

Periodes

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4
Q

Wat word vertikale rye op die periodieke tabel genoem?

A

Groepe

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5
Q

Noem die 7 di-atomiese elemente.

A
Waterstof (H2)
Stikstof (N2)
Suurstof (O2)
Chloor (Cl2)
Fluoor (F2)
Broom (Br2)
Jodium (I2)
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6
Q
Benoem die groepe op die periodieke tabel:
Groep 1
Groepe 2
Groep 17
Groepe 18
A

1: Alkalimetale
2: Alkali-aardmetale
17: Halogene
18: Edelgasse

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7
Q

Voorstelling van ‘n element
11–>1
Na–>2
23–>3

A
  1. Atoomgetal
  2. Element
  3. Massagetal
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8
Q

Gee die definisie van ‘n verbinding.

A

Wanneer atome chemies verbind.

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9
Q
Wat word die volgende benoem in 'n verbinding?
OH
NO3
SO4
CO3
PO4
SO3
A
OH- hidroksied
NO3- nitraat
SO4- sulfaat
CO3 -karbonaat
PO4- fosfaat
SO3- sulfiet
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10
Q

Verwys na geskrewe notas vir formules-chemiese naam-algemene naam.

A

Verwys na geskrewe notas vir formules-chemiese naam-algemene naam.

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11
Q

Chemiese reaksies definisie

A

‘n proses waartydens een stel chemiese stowwe in ‘n nuwe stel chemiese stowwe met hul eie chemiese eienskappe verander word

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12
Q

reaktanse definisie

A

al die chemiese stowwe voor die pyltjie in ‘n vergelyking

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13
Q

produkte definisie

A

al die chemiese stowwe agter die pyltjie in ‘n vergelyking.

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14
Q

noem drie tipe vergelykings wat chemieses reaksies voorstel

A

woordvergelyking
chemiese vergelyking
diagramatiese (diagramme) vergelyking

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15
Q

wat is neutrale atome?

A

atome wat dieselfde hoeveelheid protone en elektrone het.

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