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Sistem Periodik Unsur

Authored by rini deliana

Chemistry

10th Grade

Used 2+ times

Sistem Periodik Unsur
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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Letak unsur dan konfigurasi elektron yang tepat untuk unsur 19X adalah…(nomor atom Ar = 18)

Periode 4, golongan IA, [Ar] 4s1

Periode 1, golongan IB, [Ar] 4d1

Periode 1, golongan IIA, [Ar] 4s2

Periode 2, golongan IIB, [Ar] 4d2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Harga keempat bilangan kuantum elektron terakhir dari atom 16S adalah…

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

n = 3, l = 1, m = -1, s = -1/2

n = 3, l = 1, m = 0, s = -1/2

n = 3, l = 1, m = 0, s = +1/2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Letak unsur X dengan nomor atom 26 dan nomor massa 56 dalam sistem periodik unsur terletak pada golongan dan periode…

IIA dan 6

VIB dan 4

VIB dan 6

VIIIB dan 4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Unsur 16T dalam sistem periodik unsur terletak pada golongan dan periode berturut-turut…

IVA, periode 3

VA, periode 2

VIA, periode 3

VIIA, periode 3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nomor atom unsur X sama dengan 27. Jumlah elektron tidak berpasangan dalam ion X+2 adalah…

1

2

3

4

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