
sas 10
Quiz
•
Chemistry
•
1st Grade
•
Practice Problem
•
Medium
Muhamad Nurissalam
Used 1+ times
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26 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1 dan 2
1 dan 3
2 dan 4
3 dan 5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pokok teori atom thomson dititikberatkan
pada . . . .
Atom terdiri dari elektron – elektron
Elektron sebagai penyusun utama atom
Atom sebagai bola masif yang hanya
berisi elektron
Atom sebagai bola masif bermuatan
positif yang di dalamnya tersebar
elektron sehingga keseluruhannya
bersifat netral
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kelemahan teori atom rutherford adalah
tidak adanya penjelasan . . . . .
Elektron yang bergerak mengitari inti
pada jarak tertentu
Massa atom yang berpusat pada inti
Inti atom bermuatan positif
Partikel penyusun inti atom
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Teori atom merupakan salah satu bentuk dari teori ilmiah yang memiliki sifat alami materi, yang menyatakan bahwa materi tersusun dari satuan kecil yang disebut sebagai atom. Atom sendiri memiliki bagian yang disebut dengan sub partikel atom, yaitu nukleus (inti atom) yang terdiri dari proton dan elektron, sedangkan elektron ditemukan pada orbital atom yang posisinya tidak dapat ditentukan secara pasti
JJ thomson
Mekanika kuantum/modern
rutherford
Dalton
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
a
b
c
d
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kalsium (Ca) memiliki nomor atom 20 , nomor masa 40. maka jumlah proton, neutron dan elektron pada ion Ca 2+ adalah..
proton 20, elektron 20 dan neutron 20
proton 40, elektron 18 dan neutron 20
proton 20, elektron 18 dan neutron 20
proton 20, elektron 18 dan neutron 40
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sesium (Cs) memiliki nomor atom 55 dengan konfigurasi, 2 8 18 18 8 1 . Jumlah elektron valensi Sesium adalah...
1
2
3
4
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