
Quiz Konfigurasi Elektron

Quiz
•
Chemistry
•
10th Grade
•
Hard
Zulkarnain Zulkarnain
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Konfigurasi elektron yang benar dari 11 Na adalah?
1s²,2s²,2p⁶,3s²
1s²,2s²,2p⁶,3s²,3p⁶
1s²,2s²,2p⁶,3s²,3p⁴
1s²,2s²,2p⁶,3s¹
1s²,2s²,2p⁶,3s²,3p⁵
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Tulislah konfigurasi elektron untuk unsur X dengan nomor atom 35?
1s², 2s², 2p⁶, 3s², 3p⁶, 4s², 3d¹⁰, 4p⁶
1s², 2s², 2p⁶, 3s², 3p⁶, 4s², 3d¹⁰, 4p³
1s², 2s², 2p⁶, 3s², 3p⁶, 4s², 3d¹⁰, 4p⁵
1s², 2s², 2p⁶, 3s², 3p⁶, 4s², 3d¹⁰, 4p⁴
1s², 2s², 2p⁶, 3s², 3p⁶, 4s², 3d¹⁰, 4p1
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Konfigurasi elektron dari atom Q dengan nomor atom 19 yaitu?
1s², 2s², 2p⁶, 3s², 3p⁶, 4s², 3d⁵
1s², 2s², 2p⁶, 3s², 3p⁶, 4s²
1s², 2s², 2p⁶, 3s², 3p⁶, 4s¹
1s², 2s², 2p⁶, 3s², 3p⁶, 4s², 3d²
1s², 2s², 2p⁶, 3s², 3p⁶, 4s², 3d⁷
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Unsur Y termasuk unsur transisi dan memiliki notasi. Konfigurasi elektron unsur 25Y pada keadaan dasar adalah?
1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁴
1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁵
1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁶
1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁸
1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁷
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika unsur-unsur disusun berdasarkan kenaikan nomor massa atom, sifat unsur tersebut akan berulang pada unsur kedelapan. Pernyataan ini dikenal dengan hukum oktaf yang dikemukakan oleh?
Dobereiner
Newlands
Mendeleyev
Moseley
Dalton
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kelemahan tabel periodik yang dikemukakan oleh mendeleyev adalah?
Pengelompokan unsur-unsur hanya berlaku untuk unsur-unsur dengan massa atom relatif rendah
Kemiripan alat unsur tidak hanya berlaku pada tiga unsur yang berada dalam setiap kelompok
Penempatan unsur tidak sesuai dengan kenaikan massa atom relatifnya
Menempatkan unsur-unsur berdasarkan kenaikan nomor atom dalam periode
Pengelompokan unsur-unsur hanya sesuai untuk unsur-unsur ringan
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Menurut hukum Triade, jika massa atom relatif kalsium 40 dan massa atom relatif barium 137 maka massa atom relatif stronsium sebesar
80,5
85.5
88,5
90.5
98,5
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