Struktur Atom dan Sistem Periodik Unsur

Quiz
•
Chemistry
•
11th Grade
•
Hard
Mohamad Salim
Used 7+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Berikut beberapa nama penemu Teori Atom Modern atau Teori Mekanika Kuantum, kecuali ....
Erwin Schrodinger
Ernest Rutherford
Wolfgang Pauli
Werner Heisenberg
Answer explanation
Rutherford menembakkan partikel alfa ke lempeng emas tipis, Dari percobaan tersebut,
ditemukan sebagian besar sinar diteruskan (sinar lurus). Hal ini menunjukkan bahwa bagian dalam atom sebagian besar berupa ruang hampa, bukan bola pejal yang bermuatan positif seperti yang dijelaskan oleh Thomson. Adanya sebagian kecil sinar yang dibelokkan dan dipantulkan dapat menggambarkan bahwa di dalam atom terdapat inti bermuatan positif yang sangat kecil dan dikelilingi elektron bermuatan negatif.
2.
MULTIPLE CHOICE QUESTION
45 sec • 10 pts
Bilangan kuantum apakah yang menyatakan subkulit atau orbital . . . .
Bilangan kuantum utama (n)
Bilangan kuantum azimut (l)
Bilangan kuantum magnetik (m)
Bilangan kuantum spin (s)
3.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Berapa banyak jumlah elektron pada orbital p jika terisi penuh . . . .
14
10
6
2
4.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Apakah sebutan lain dari elektron terakhir atau elektron terluar . . . .
Elektron valensi
Elektron stabil
Elektron sub atom
Elektron magnetik
5.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Jika suatu atom memiliki nomor atom 13Al, bagaimanakah konfigurasi elektronnya . . . .
1s2 2s2 2p6 3s2 3p5
1s2 2s2 2p6 3s2 3p3
1s2 2s2 2p6 3s2 3p1
1s2 2s2 2p6 3s1 3p2
6.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Jika suatu atom memiliki elektron valensi 3d9 . Berapakah nilai bilangan kuantum magnetiknya ?
-2
-1
0
+1
7.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Dari gambar disamping, manakah yang menyatakan atom yang stabil . . . .
4
3
2
1
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