Kalium mempunyai nomor atom 19 dan nomor massa 39. Jumlah elektron pada ion Kalium adalah. . .
Soal latihan struktur atom

Quiz
•
Chemistry
•
10th Grade
•
Hard
LM LM
Used 23+ times
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
21
20
19
18
17
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Pada elemen isotop di atas , jumlah proton dan netron kedua berturut-turut - turut adalah. . .
(26, 26): (88, 88)
(26, 26): (88, 138)
(26, 30): (88, 138)
(26, 30): (88, 266)
(26, 56): (88, 138)
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Kelemahan teori atom Niels Bohr adalah. . .
tidak dapat menjelaskan spektrum unsur hidrogen
bertentangan dengan hukum - hukum fisika klasik dari Maxwell
tidak dapat menentukan posisi elektron dengan pasti
bertentangan dengan teori atom Dalton bahwa atom - atom suatu unsur identik
tidak dapat mengubah perubahan energi pada elektronika dalam atom
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suatu isotop belerang mengandung 16 proton dan 17 neutron. Isotop belerang yang lain mengandung 16 proton dan 19 neutron. Nomer atom dan momer massa isotop pertama adalah…
16 dan 16
16 dan 17
33 dan 16
16 dan 33
33 dan 17
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Partikel dasar penyusun atom adalah....
proton, elektron, deutron
proton, elektron, positron
proton, elektron, neutron
proton, elektron, tritron
proton, neutron, deutron
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Unsur X memiliki jumlah neutron 14 dan jumlah elektron 13. Notasi unsur X tersebut adalah .....
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Kalium mempunyai nomor atom 19 dan nomor massa 39. Jumlah elektron pada ion Kalium (K+) adalah…
21
20
19
18
17
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