
Struktur Atom-Keunggulan Nanomaterial

Quiz
•
Chemistry
•
1st - 12th Grade
•
Hard
Ary Ayu
Used 48+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam table periodic bentuk panjang unsur transisi terletak antara …
Golongan IIB dan IB
Golongan IIA dan IIIB
Golongan IIIA dan IVA
Golongan IIA dan IIIA
Golongan IV A dan IB
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unsur dengan konfigurasi elektron 2, 8, 2 dalam sistem periodik terdapat pada ...
Periode 3, golongan IIA
Periode 3, golongan IIB
Periode 3, golongan IIIA
Periode 2, golongan IIIA
Periode 2, golongan IIIB
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nomor atom suatu unsur adalah 58 dan nomor massanya 140. Jumlah proton, elektron dan neutron yang terdapat dalam atom unsur tersebut adalah...
Elektron 58, proton 24, neutron 58
Elektron 58, proton 82, neutron 58
Elektron 58, proton 58, neutron 84
Elektron 58, proton 58, neutron 140
Elektron 58, proton 58, neutron 82
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berikut ini lambang suatu unsur: A dengan nomor atom 20 konfigurasi elektron untuk ion A pangkat 2+ adalah ...
2 8 8 2
2 8 10
2 8 8
2 8 8 4
2 8 12
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika jari-jari Li, Na, K, Rb, Cs secara acak dalam satuan angstrom adalah 2,01 ; 1,23 ; 1,57 ; 0,80 ; 0,89 maka jari-jari atom Kalium adalah ….
0,80
0,89
1,23
1,57
2,01
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Yang bukan mrupakan logam tanah jarang (LTJ) adalah ….
Li
La
Lu
Ce
Eu
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Logam tanah jarang merupakan komoditas mineral berkualitas tinggi yang menjadi bahan baku dalam industri pertahanan digunakan sebagai….. kecuali
bahan pembuatan peralatan militer
mesin jet
satelit
laser
keramik
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