struktur atom
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
tara rizqi
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Material yang memiliki ukuran nano berarti memiliki ukuran sebesar…
10-6
10-7
10-8
10-9
10-10
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Kalium mempunyai nomor atom 19 dan nomor massa 39. Jumlah elektron pada ion Kalium adalah . .
21
20
19
18
17
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Kelemahan teori atom Niels Bohr adalah . . .
tidak dapat menjelaskan spektrum unsur hidrogen
bertentangan dengan hukum – hukum fisika klasik dar Maxwell
tidak dapat menentukan posisi elektron dengan pasti
bertentangan dengan teori atom Dalton bahwa atom – atom suatu unsur identik
tidak dapat menentukan perubahan energi pada perpindahan elektron dalam atom
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Atom dengan no atom 35 serta no massa 80 memiliki neutron sebanyak....
35
80
45
30
115
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Dalam table periodic unsur modern, periode menyatakan…
Jumlah kulit atom
Electron dalam atom
Neutron dalam inti atom
Proton dalam inti atom
Electron pada kulit terluar
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Dalam suatu atom elektron di sekitar inti atom dan tidak jatuh ke dalam, hal ini disebabkan karena. . . .
elektron bergerak dengan lintasan dan jarak tertentu dari inti atom
gaya tolak-menolak antara elektron dan inti atom, relatif besar
adanya penghalang antara inti atom dan elektron
massa elektron relatif kecil dibandingkan massa inti atom
elektron dalam kondisi diam di sekitar inti atom
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Unsur X mempunyai 10 proton dan 12 neutron, sedangkan unsur Y mempunyai nomor massa 23 dan nomor atom 11. Kedua atom tersebut merupakan . . . .
isotop
isobar
isoton
isolator
isomer
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