09:07:00
Advent Quiz 2018 1 December
1 Dec. How many protons are there in an iron-atom ?
A) 9
B) 12
C) 26
D) 48
Correct answer will be given tomorrow. Feel free to share with friends and colleagues! :-)
1 Dec. How many protons are there in an iron-atom ?
A) 9
B) 12
C) 26
D) 48
Correct answer will be given tomorrow. Feel free to share with friends and colleagues! :-)