OLIMPIADE KIMIA

OLIMPIADE KIMIA

University

40 Qs

quiz-placeholder

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OLIMPIADE KIMIA

OLIMPIADE KIMIA

Assessment

Quiz

Chemistry

University

Practice Problem

Medium

Created by

Kabinet Beryllium

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40 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 10 pts

Bilangan oksidasi Al pada AlCl3 adalah.....

-3

+3

-1

+1

-2

2.

MULTIPLE CHOICE QUESTION

1 min • 10 pts

    Manakah unsur di bawah ini yang memiliki paling sedikit isotop yang bersifat stabil......

Hidrogen

Helium

sulfur

kalium

Oksigen

3.

MULTIPLE CHOICE QUESTION

2 mins • 10 pts

           Suatu elektron terdapat pada tingkat energy yang dinyatakan oleh bilangan…

Bilangan kuantum azimut 

Bilangan kuantum magnetik 

Bilangan kuantum spin

Bilangan kuantum utama

Bilangan kuantum spin

4.

MULTIPLE CHOICE QUESTION

3 mins • 20 pts

Senyawa X mengandung Cl dengan tingkat oksidasi +7. Berikut ini manakah yang yang merupakan senyawa X.........

NH4ClO3

NH4Cl

N2H5Cl

NH4ClO4

NCl3

5.

MULTIPLE CHOICE QUESTION

2 mins • 10 pts

Dalam sistem periodik unsur, secara berurutan unsur lantanida dan aktinida terletak pada….

Periode 6 golongan IIIB dan periode 7 golongan IIIB

Periode 7 golongan IIB dan periode 6 golongan IIB

Periode 7 golongan IIIB dan periode 6 golongan IIB

 

Periode 6 golongan IIIB dan periode 6 golongan IIB

Periode 6 golongan IIB dan periode 7 golongan IIIB

6.

MULTIPLE CHOICE QUESTION

2 mins • 10 pts

partikel terberat yang dipancarkan unsur radioaktif adalah ..

sinar beta

sinar alpha

sinar x

positron

sinar gamma

7.

MULTIPLE CHOICE QUESTION

3 mins • 20 pts

Biloks tertinggi dari S adalah….

S8

SO2

S2

H2SO4

SO32-

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