
Kelompok Periode 3 (XII MIPA 1)
Authored by Salsabila Ramadhani
Chemistry
12th Grade
Used 2+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada suhu ruangan magnesium bereaksi dengan oksigen membentuk lapisan tipis berupa?
MgO
MgHO
MgH
Mg(OH)2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berikut merupakan yang termasuk manfaat unsur logam magnesium
1. Dapat dibuat kembang api
2. Dapat dicampur dengan logam lain menjadi alloy
3. Dapat digunakan sebagai pengobatan
4. Dapat digunakan sebagai bahan kerangka bangunan jembatan, mobil atau pesawat
5. Sebagai bahan bakar kendaraan
Berikut pernyataan yang benar mengenai manfaat dari unsur logam magnesium adalah
1,2,3
2,3,4
1,2,4
1,3,4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berikut gambar dari unsur Natrium yang benar adalah ?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Singkatan kimia untuk natrium pertama kali diterbitkan pada tahun ....... oleh ......
1808 - Sir Humprey Davy
1823 - J. Berzelius
1825 - Hans Oersted
1814 - Jöns Jakob Berzelius
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nomor atom Fosfor adalah....
15
16
13
18
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reaksi dari pembuatan alumunium yang benar yaitu
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika kita bergerak dari kanan ke kiri dalam periode ketiga, sifat - sifat di bawah ini akan mengalami kecendrungan menurut atau makin kecil kecuali.....
Energi ionisasi
Keelegtronegatifan
Jari - jari atom
Sifat asam
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