
KONFIGURASI ELEKTRON
Authored by Nunu Fadilah
Science
12th Grade
Used 20+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
1. Atom X memiliki nomor massa 50 dan jumlah neutron 35. Jumlah elektron dan konfigurasi elektron dari X+ yang benar adalah ………
jumlah elektron = 14. konfigurasi elektronnya 2, 8, 4
jumlah elektron = 15. konfigurasi elektronnya 2, 8, 5
jumlah elektron = 18. konfigurasi elektronnya 2, 8, 8
jumlah elektron = 15. konfigurasi elektronnya 2, 8, 6
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Konfigurasi elektron yang teoat untuk atom Chlorine adalah ...
2, 8, 8
2, 8, 9
2, 8, 7
2, 7, 8
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jumlah elektron dan konfigurasi elektron yang tepat untuk atom Oxygen adalah ...
jumlah elektron 8 = 2, 6
jumlah elektron 10 = 2, 8
jumlah elektron 8 = 2, 8
jumlah elektron 6 = 2, 6
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Perhatikan pernyataan di bawah ini !
- Unsur termasuk dalam golongan Alkali atau golongan IA
- Bersifat sangat reaktif
- Bereaksi kuat dengan cairan
- Warna nyala api kuning
- Harus disimpan dalam minyak
Berdasarkan pernyataan diatas, unsur yang tepat adalah …………
Natrium
Litium
Barium
Magnesium
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Pada hasil uji nyala atom golongan Alkali, Nisa memperoleh data sebagai berikut. Hasil uji nyala pertama berwarna merah, kedua berwarna kuning, ketiga berwarna ungu. Secara berurutan atom yang diuji warna nyala apinya oleh Nisa adalah ...
Natrium, Kalsium, Magnesium
Litium, Natrium, Barium
Litium, Natrium, Kalium
Magnesium, Natrium, Litium
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Berdasarkan gambar tersebut, manakah yang termasuk molekul unsur dan molekul senyawa secara berurutan ....
(1) dan (2)
(4) dan (3)
(3) dan (2)
(1) dan (4)
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Berdasarkan gambar tersebut, ilustrasi molekul senyawa ditunjukkan oleh nomor ....
(1) dan (2)
(4) dan (3)
(3) dan (2)
(1) dan (3)
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