
Kimia Tingkatan 4 : Bab 3
Authored by Theresa Stanley
Chemistry
11th Grade
Used 18+ times

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22 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Berapakah bilangan atom litium yang mempunyai jisim yang sama dengan 2 atom nitrogen?
[Jisim atom relatif: Li = 7; N = 14]
2
4
6
8
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Jisim atom relatif plumbum ialah 207. Antara pernyataan berikut, yang manakah benar?
[Jisim atom relatif: Na = 23]
0.01 mol plumbum berjisim 2.07 g
20.7 g plumbum mengandungi 6.02 x 1021 atom
1 mol plumbum mempunyai isi padu 24 dm3 pada keadaan bilik
Jisim satu atom plumbum adalah sama dengan jisim 7 atom natrium
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Antara bahan berikut, yang manakah mempunyai 3.01 x 1023 atom?
0.25 mol air
0.5 mol karbon
0.5 mol gas oksigen
0.3 mol gas hidrogen
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Berapakah bilangan ion nitrat, NO3- dalam 2 mol aluminium nitrat, Al(NO3)3?
[Pemalar Avogrado: 6.02 x 1023 mol-1]
1.204 x 1024 mol-1
1.806 x 1024 mol-1
3.010 x 1024 mol-1
3.612 x 1024 mol-1
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Hitungkan jisim molekul relatif, JMR bagi sebatian ammonia, NH3.
[JAR: C =12; Cl = 35.5; O = 16; H = 1; N = 14]
10
14
17
20
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Hitungkan jisim formula relatif, JFR bagi sebatian ion Ammonium sulfat, (NH4)2SO4.
[JAR: Mg =24; Cl = 35.5; O = 16; H = 1; N = 14; S = 32; Cu = 64]
106
188
250
132
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Hitungkan bilangan atom bagi 0.2 mol ferum, Fe.
[Pemalar Avogadro, NA: 6.02 x 1023mol-1]
1.04 x 1023 atom
1.204 x 1023 molekul
1.204 x 1023 atom
1.206 x 1023 ion
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