
KUIZ JADUAL BERKALA UNSUR

Quiz
•
Chemistry
•
12th Grade
•
Medium
ZWITTERION SODIQI
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unsur kumpulan 18 bersifat lengai kerana
Unsur kumpulan 18 ialah monoatom
Atom unsur telah menderma 1 elektron valens
Atom unsur telah mencapai susunan elektron duplet atau oktet
Atom unsur telah menerima 2 elektron valens
Answer explanation
Susunan elektron bagi
Atom helium 2
Atom neon 2.8
Atom argon 2.8.8
Kesimpulan: atom unsur kumpulan 18 telah mencapai susunan elektron duplet atau oktet. Ia tak boleh menderma, menerima atau berkongsi elektron dengan mana-mana atom
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah prinsip susunan unsur dalam Jadual Berkala Unsur?
Berdasarkan penambahan nombor proton dari kiri ke kanan
Berdasarkan penambahan jisim atom relatif dari kiri ke kanan
Berdasarkan penambahan nombor nukleon dari kiri ke kanan
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah maksud kala?
Bilangan petala berisi elektron atom unsur
Baris mengufuk dalam Jadual Berkala Unsur
Lajur menegak dalam Jadual Berkala Unsur
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berikan maksud kumpulan
Lajur menegak dalam Jadual Berkala Unsur
Penambahan nombor proton atom unsur
Baris mendatar dalam Jadual Berkala Unsur
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Apakah hasil bagi tindak balas antara logam natrium dan air?
natrium oksida dan gas hidrogen
larutan natrium hidroksida dan gas oksigen
larutan natrium hidroksida dan air
larutan natrium hidroksida dan gas hidrogen
Answer explanation
Na + H2O -> NaOH + H2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Susun kereaktifan unsur kumpulan 1 mengikut tertib menaik
Natrium
Kalium
Litium
Kalium
Natrium
Litium
Litium
Natrium
Kalium
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Saiz atom natrium lebih besar daripada atom litium
Daya tarikan ........................ bagi atom natrium lebih lemah daripada atom litium
Pilih 2 jawapan yang sesuai bagi ruangan kosong
nukleus
elektrostatik
antara nukleus dengan elektron valens
Answer explanation
Daya tarikan nukleus adalah SAMA dengan daya tarikan antara nukleus dengan elektron valens
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