February 2019 1 16 Report
1. Jika diketahui massa atom relative (Ar) dari Na = 23, O = 16, H = 1, berapakah massa dari 0,2 mol NaOH?
a. 0,8 gram
b. 8,0 gram
c. 80 gram
d. 88 gram
e. 18 gram

2. Unsur dengan nomor atom 20, memiliki konfigurasi electron….
a. 2, 8, 8,2
b. 2, 8,10
c. 2, 8, 8,1,1
d. 2, 2, 8,8
e. 2, 8,8,0,1
More Questions From This User See All

Life Enjoy

" Life is not a problem to be solved but a reality to be experienced! "

Get in touch

Social

© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.