JADUAL BERKALA UNSUR 1

Quiz
•
Chemistry
•
4th Grade
•
Medium
Sanariah Sahak
Used 72+ times
FREE Resource
28 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam pembinaan JAdula Berkala Unsur-unsur, ahli sains manakah yang meninggalkan tempat-tempat kosong untuk unsur-unsur yang belum lagi ditemui?
Dimitri Mendeleev
Henry Moseley
Lothar Meyer
Antoine Lavoisier
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara gambar rajah berikut, yang manakah mewakili susunan elektron bagi suatu unsur Kumpulan 1?
Which of the following diagrams represents the electron arrangement of an element of Group 1?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pernyataan manakah unsur yang menerangkan mengapa saiz atom unsur-unsur Kumpulan 1 bertambah apabila menuruni kumpulan itu dalam Jadual Berkala?
Which statement explains why size of the atoms of Group 1 elements increases when going down the group in the Periodic Table 1?
Bilangan proton bertambah
The number of protons increases
Jisim atom relatif bertambah
The relative atomic mass increases
Bilangan elektron valens bertambah
The number of valance electrons increases
Bilangan petala yang berisi elektron bertambah
The number of shells filled with electrons increases
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pernyataan yang manakah menerangkan mengapa kereaktifan unsur Kumpulan 1 meningkat apabila menuruni kumpulan itu?
Which statement explains why the reactivity of Group 1 elements increases when going down the group?
Keadaan fizik bagi unsur berubah daripada gas kepada cecair dan pepejal pada suhu bilik
The physical state oe the elements changes from gas to liquid to solid at room temperature
Daya tarikan antara elektron valens dengan nukleus semakin kuat
The force of attraction between valence electron and the nucleus becomes stronger
Elektron valens semakin jauh dari nukleus
The valence electron gets further away from the nukleus
Takat lebur bagi unsur menurun
The melting point of the elements decrease
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rajah menunjukkan kaedah menyimpanan satu unsur.
Mengapakah kaedah ini digunakan?
Untuk mengelakkan daripada tindak balas dengan cahaya matahari
Unsur itu adalah toksik dan berbahaya
Unsur itu adalah reaktif dan mudah meruap
Untuk mengelakkan daripada tindak balas dengan oksigen dalam udara
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Apabila menuruni kumpulan 1, kereaktifan unsur dalam kumpulan ini
bertambah
berkurang
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Persamaan kimia manakah yang mewakili tindak balas antara logam natrium dan gas oksigen
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