Di alam magnesium tersusun atas 78,99% 24Mg (massa atom, 23,9850 u), 10,00% 25Mg (massa atom, 24,9858 u), dan 11,01% 26Mg (massa atom, 25,9826 u). Dengan data tersebut hitunglah massa atom rata-rata dari magnesium.

04. Atom, Unsur, Molekul (Part 2)

Quiz
•
Chemistry
•
1st Grade
•
Medium
haris a.
Used 9+ times
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40 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
24,3050
23,3050
25,3050
26,3050
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Berapa jumlah proton, neutron, dan elektron pada unsur di atas?
6 proton, 8 neutron, 6 elektron
8 proton, 6 neutron, 6 elektron
6 proton, 6 neutron, 8 elektron
6 proton, 6 neutron, 6 elektron
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Berapa jumlah proton, neutron, dan elektron pada unsur di atas ?
6 proton, 5 neutron, 6 elektron
5 proton, 6 neutron, 6 elektron
6 proton, 6 neutron, 5 elektron
6 proton, 6 neutron, 11 elektron
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Tabel Periodik merangkum sifat fisika dan kimia senyawa - senyawa.
Benar
Salah
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Pada awalnya tabel periodik disusun berdasar kenaikan massa senyawa.
Benar
Salah
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Pada Tabel Periodik Modern, Unsur tersusun dalam urutan dalam satu baris horisontal disebut golongan.
Benar
Salah
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Pada Tabel Periodik Modern, Kolom vertikal disebut dengan periode.
Benar
Salah
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