Microscope = It enables small things to paper bigger, thus enabling us to understand at a microscopic level, thus improving our understand of HOW it happens
It need "3 electrons" to have a stable electronic configuration.
'cause it has 5 electrons in it's outer shell & every atom needs 8 electrons. So, it requires 3 more!
Hope this helps!
The formula C2H4 can be classified as both a molecular formula
and an empirical formula. The answer is number 4.
