Kawat nikrom tersusun atas Nikel dan Cromium sehingga kawat ini memiliki resistansi terhadap panas yang cukup tinggi dibandingkan kawat tembaga (solder). Deskripsikan secara sifat periodik unsur kenapa hal tersebut dapat terjadi...
TA-SPU - CH. 3 Praktek Uji Nyta

Quiz
•
Chemistry
•
11th Grade
•
Medium
Herijon BK
Used 6+ times
FREE Resource
9 questions
Show all answers
1.
OPEN ENDED QUESTION
3 mins • 1 pt
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2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kawat nikrom tersusun atas Nikel dan Cromium. Nilai bilangan kuantum Nikel adalah….
[Nomor Atom Ni = 28]
n = 3; l = 2;
m = 0; s = + ½
n = 3; l = 2;
m = 0; s = - ½
n = 3; l = 1;
m = –1; s = + ½
n = 3; l = 1;
m = –1; s = - ½
n = 3; l = 0;
m = 0; s = + ½
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui unsur Na dan Mg. Pernyataan yang tepat tentang kedua unsur tersebut adalah….
Jari-jari atom Na lebih kecil dari Mg
Energi ionisasi Na lebih besar dari Mg
Atom Na dan Mg berada dalam satu golongan
Keelektronegatifan Na lebih kecil dari Mg
Ainitas elektron Na lebih besar dari Mg
4.
OPEN ENDED QUESTION
3 mins • 1 pt
Senyawa kaporit [Ca(ClO)2] merupakan salah satu zat yang digunakan sebagai disinfektan pada kolam renang. Kaporit mengandung sekitar 70% klorin. Mengapa klorin dapat digunakan sebagai disinfektan?
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5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berdasarkan warna nyala api pada gambar, maka zat yang menghasilkan warna nyala tersebut adalah.....
Cu = Tembaga
Li = Litium
Ba = Barium
K = Kalium
Na = Natrium
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cu = Tembaga
Li = Litium
K = Kalium
Ba = Barium
Na = Natrium
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Uji nyala terhadap zat yang mengandung Logam K (Kalium) akan menghasilkan warna nyala.....
(pilih gambar yang sesuai)
8.
OPEN ENDED QUESTION
3 mins • 1 pt
Simpulkan mengenai energi ionisasi yang lebih kecil antara unsur As dengan unsur In
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9.
OPEN ENDED QUESTION
3 mins • 1 pt
Kemukakan argumentasi anda mengenai jari-jari atom yang lebih besar antara unsur Sr dengan unsur Br
Evaluate responses using AI:
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