
periode ketiga
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Hard
Suci Rahmadani
Used 5+ times
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20 questions
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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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