periode ketiga

periode ketiga

12th Grade

20 Qs

quiz-placeholder

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Assessment

Quiz

Chemistry

12th Grade

Practice Problem

Hard

Created by

Suci Rahmadani

Used 5+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Periode ke tiga meliputi Natrium (Na), Magnesium (Mg),Alumunium (Al). Phospor (F), Sulfur (L), Klprin (CI), Argon (Ar)

Benar

Salah

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Ada 4 buah unsur periode ke tiga yang semuanya diperoleh dari elektrolisis

Benar

Salah

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

kelimpahan unsur natrium 2,7 dan magnesium 1,9

Benar

Salah

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Semua unsur periode ketiga bisa bereaksi dengan oksigen

Benar

Salah

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Hidrogen dilepaskan dalam reaksi Mg + H2O MgO + H2

Benar

Salah

6.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

Urutan sifat yang benar dari unsur unsur periode ke tiga

logam-metaloid-non logam-gas mulia

logam-non logam -metaloid-gas mulia

semua salah

logam-metaloid-gas mulia-non logam

7.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

Jika unsur X,Y,Z memiliki nomor atom berturut turut 11,15,17. Pernyataan yang benar tentang sifat unsur tersebut

unsur x bersifat non logam

unsur z bersifat non logam

jari jari atom unsur x>y>z

y dan z membentuk senyawa 2yz

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