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Ujian Semester 1 Kelas XI

Authored by Elvi Diana Siregar

Science

1st Grade

Ujian Semester 1 Kelas XI
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Bromin dengan nomor atom 35 memiliki konfigurasi elektron...

1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p5

1s2 2s2 2p6 3s2 3p6 3d8 4s2 4p5

1s2 2s2 2p6 3s2 3p6 3d8 4s2 4p6

1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p3

1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p5

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Partikel dasar penyusun atom terdiri atas proton, neutron, dan elektron. Muatan listrik partikel dasar tersebut berturut-turut adalah...

-1; +1; 0

+1; -1; 0

-1; 0; +1

0; -1; +1

+1; 0; -1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Bilangan kuantum yang melambangkan jumlah kulit Atom adalah……?

n

l

m

s

Ar

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Harga keempat bilangan kuantum elektron terakhir atom K (Z=19) adalah…

n = 4, I = 0, m = -1, s = -1/2

n = 4, I = 2, m = +1, s = -1/2

n = 4, I = 0, m = 0, s = +1/2

n = 3, I = 2, m = +1, s = +1/2

n = 2, I = 0, m = -1, s = -1/2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nama yang tepat untuk senyawa adalah ….

2,3-metil-1-pentena

2,3,-dimetil-1-pentena

2,3-dimetilpentena

2-metil-3-metilpentena

2-metil-3-metil-1-pentena

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nama senyawa dengan rumus berikut ini menurut IUPAC adalah ….

1,5-dimetilheptana

4-etil-2-metilpentana

2-metil-4-etilpentana

2,4-dimetil heksana

3,5-dimetil heksana

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Rumus 2,3-dimetilbutana adalah ….

CH3 - CH2 - CH2 - CH3

CH3 - CH(CH3) - CH2 - CH3

CH3 - CH(CH3) - CH(CH3) - CH3

CH3 - CH2 - CH = CH2

CH3 - CH = CH - CH3

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