Ulangan Harian kelas X😊

Quiz
•
Chemistry
•
10th Grade
•
Hard
Raihsanizegamia undefined
Used 2+ times
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10 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
2. Diketahui konfigurasi elektron suatu atom X = 2 8 18 8 2. Atom X tersebut terletak pada golongan dan kulit ke….
a. Kulit ke 2 golongan VA
b. Kulit 2 golongan IIIA
c. Kulit ke 3 golongan VA
d. Kulit 5 golongan IIA
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
3. Suatu atom terletak pada golongan IVA periode 3. Tentukan konfigurasi elektron dari atom tersebut...
a. 2 8 5
b. 2 8 4
c. 2 8 3
d. 2 8 2
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
4. Di antara pasangan electron berikut, merupakan isoton adalah…
a. F dan Ne
b. S dan Al
c. C dan N
d. Na dan Mg
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Perhatikan tabel.
Pasangan yang merupakan isotop adalah...
a. A dan B
b. B dan C
c. A dan D
d. C dan D
5.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Jumlah proton dan neutron dan electron yang terdapat pada atom 5223V berturut-turut adalah…
a. 52, 29 dan 52
b. 29, 52 dan 23
c. 23, 23 dan 29
d. 23, 29 dan 23
6.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
8. Jika suatu atom mempunyai nomor atom sebesar 56 dan jumlah neutronnya adalah 81. Dari data tersebut dapat disimpulkan bahwa atom tersebut mempunyai…
a. 81 elektron
b. 81 proton
c. Massa 137
d. Massa 56
7.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
9. Berdasarkan potongan sistem periodik unsur. Jika A golongan IA, C golongan II A dan seterusnya..maka atom yang memiliki jari-jari atom terpanjang dan terpendek adalah..
a. A dan L
b. L dan A
c. A dan H
d. H dan A
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