Forming Bonds: How Atoms Bond

The video explains the role of valence electrons in forming bonds between atoms. It highlights that not all atoms bond similarly, and some rarely bond. Valence electrons can be transferred or shared to fill the outermost energy level of atoms. An example is provided with sulfur and magnesium, where sulfur gains electrons and magnesium loses them, resulting in filled energy levels.

What is the primary role of valence electrons in atoms?

• To stabilize the atom's nucleus

• To determine the atom's mass

• To form bonds with other atoms

• To define the atom's color

Why do atoms tend to fill their outermost energy level?

• To change their color

• To become more stable

• To increase their size

• To decrease their mass

How many valence electrons does sulfur have in its outermost energy level?

• Two

• Eight

• Six

• Four

What happens to magnesium's outermost energy level when it bonds with sulfur?

• It gains electrons

• It doubles in size

• It becomes empty

• It remains unchanged

What is the result of sulfur gaining electrons from magnesium?

• Sulfur loses its valence electrons

• Sulfur changes its atomic number

• Sulfur's outermost energy level becomes filled

• Sulfur's energy level becomes unstable