sumatif akhir kimia kelas xi
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
Khairatu Wardah
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25 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 4 pts
Dualisme partikel-gelombang menyatakan bahwa materi dapat bersifat sebagai partikel sekaligus memiliki sifat gelombang. Akibatnya, letak dan kecepatan elektron tidak dapat dipastikan secara bersamaan. Hal ini sesuai dengan…………
Teori kuantum Planck
Prinsip ketidakpastian Heisenberg
Spektrum hidrogen Bohr
Efek fotolistrik Einstein
Persamaan Schrodinger
2.
MULTIPLE CHOICE QUESTION
3 mins • 4 pts
Bilangan kuantum untuk elektron valensi atom 19K adalah………….
n = 1; l = 0; m = 0; s = + ½
n = 1; l = 1; m = + 1; s = - ½
n = 3; l = 2; m = +1; s = - ½
n = 4; l = 0; m = 0; s = + ½
n = 1; l = 2; m = +2; s = + ½
3.
MULTIPLE CHOICE QUESTION
3 mins • 4 pts
konfigurasi elektron yang paling tepat dari unsur 19 39K adalah………..
1s2 2s2 2p6 3s2 3p6 3d1
1s2 2s2 2p6 3s2 3p6 4d1
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d1
1s2 2s2 2p6 3s2 3p6 4s1
1s2 2s2 2p6 3s2 3p6 4p1
4.
MULTIPLE CHOICE QUESTION
3 mins • 4 pts
Lambang unsur 13 27X, unsur X terletak pada…………….
Golongan VIIIB/periode 4
Golongan IIIA/periode 3
Golongan IIIB/periode 4
Golongan IA/periode 3
Golongan IIIA/periode 4
5.
MULTIPLE CHOICE QUESTION
3 mins • 4 pts
Dalam satu periode dari kiri kekanan, sifat keperiodikan di bawah ini yang benar adalah………
Energi ionisasi makin bertambah
Afinitas elektron makin berkurang
Jari-jari atom makin bertambah
Keelektronegatifan makin berkurang
Sifat oksidator makin berkurang
6.
MULTIPLE CHOICE QUESTION
3 mins • 4 pts
Unsur yang mengikat dua elektron untuk mendapatkan konfigurasi elektron yang stabil adalah……
11Na
14Si
16S
19K
20Ca
7.
MULTIPLE CHOICE QUESTION
3 mins • 4 pts
Diantara pasangan unsur berikut yang dapat membentuk senyawa ion adalah……….
C (Z=6) dan Cl (Z=17)
N (Z=7) dan H (Z=1)
C (Z=6) dan O (Z=8)
Mg (Z=12) dan Cl (Z=17)
P (Z=15) dan O (Z=8)
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