Based on the trend in valence electrons across periods for main-group elements, how many valence electrons does carbon (C) have?
A. 3
B. 4
0 O O
C. 2.
D. 5

Ahydroelectric plant takes energy from water and turns it into electrical energy. what are the transformations of energy in the water molecules that are used in the process of generating electricity this way?

What is the name for the remnant of an asymptotic giant that has lost its shells? black dwarf white dwarf yellow giant black hole

Write a full page that sumerizes thermodynamics it’s from the website visionlearnig