Jika diketahui unsur X3+ memiliki 28 elektron , maka dimanakah letak unsur ''X'' pada tabel periodik?

SIFAT PERIODIK UNSUR

Quiz
•
12th Grade
•
Hard
Rani Haerani
Used 226+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Golongan IIB , periode 2
Golongan IIIA , periode 4
Golongan IVA , periode 3
Golongan IB , periode 4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika diketahui unsur X- memiliki 36 elektron , maka dimanakah letak unsur ''X'' pada tabel periodik?
Golongan VIIA, periode 4
Golongan VIA, periode 4
Golongan IVA, periode 7
Golongan VIIIA, periode 4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika diketahui unsur Mg terletak pada golongan IIA dan periode 2, maka berapakah jumlah elektron yang berpasangan pada ion Mg2+ tersebut?
4
5
6
7
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Keelektronegatifan terbesar pada setiap periode berada pada golongan...
I A
IV A
VII A
VIII A
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suatu unsur terdapat pada periode ketiga dan dalam golongan IIA. Nomor atom unsur tersebut adalah….
3
5
15
18
30
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diantara unsur-unsur berikut yang merupakan kelompok unsur logam alkali tanah adalah….
Li, Na, K, Rb
Be, Mg, Ca, Sr
Li, Be, B, C, N
Na, Mg, Al, Si
Na, Mg, Sr, Ba
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui beberapa unsur dengan konfigurasi elektron sebagai berikut:
P : 2 8 8 1
Q : 2 8
R : 2 8 2
S : 2 8 4
T : 2 7
Unsur yang mempunyai afinitas elektron terbesar adalah ….
P
Q
R
S
T
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