Covalent Bonding Basics

How many electrons are shared in a DOUBLE covalent bond?

• 6

• 2

• 3

• 4

Which groups on the periodic table form covalent bonds?

• groups 3-12 (the Transition Metals)

• group 18 (the Noble gases)

• groups 1 & 2 (Alkali Metals and Alkaline Earth Metals)

• groups 14-17

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Why do you think that the nonmetals in group 18, the Noble Gases, don't form covalent bonds? Click all that apply.

• They satisfy the octet rule and already have 8 electrons in the outermost electron shell

• They actually do form covalent bonds.

• 
• Noble gases aren't really nonmetals.

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Atoms can share electrons equally or unequally. When Atoms share electrons unequally, they are known as

• non-polar covalent bonds

• polar covalent bonds

Atoms can share electrons equally or unequally. When Atoms share electrons equally, they are known as

• 
• 

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Covalent bonds form between a

• nonmetal and nonmetal

• metal and nonmetal

• two metals

• two metalloids

In Covalent bond, electrons _______________ between atoms.

• are shared

• are transferred

• flow freely

When a bond is formed, energy is _____________.

• absorbed

• released

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All chemical bonds involve

• valence electrons

• protons

• neutrons

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What is the primary characteristic of a covalent bond?

• Sharing of electrons between atoms

• Transfer of electrons between atoms

• Attraction between ions

• Formation of a lattice structure