Exploring Covalent Bond Formation

What is the main characteristic of a covalent bond?

• Transfer of electrons

• Sharing of electrons

• Formation of ions

• Attraction between metals

In a covalent bond, which types of elements typically bond together?

• Metals and nonmetals

• Nonmetals and nonmetals

• Metals and metals

• Noble gases

What is the key difference between covalent and ionic bonds?

• Covalent bonds form between noble gases, while ionic bonds form between metals.

• Covalent bonds involve sharing electrons, while ionic bonds involve transferring electrons.

• Covalent bonds involve transferring electrons, while ionic bonds involve sharing electrons.

• Covalent bonds form between metals, while ionic bonds form between nonmetals.

In the example of hydrogen and chlorine forming a covalent bond, how many valence electrons does chlorine have?

• 1

• 5

• 7

• 8

What is the chemical formula for water?

• H2O

• H2O2

• O2H

• HO

How many valence electrons does oxygen have in its outer shell?

• 6

• 8

• 4

• 2

In the structural formula of methane (CH4), how many hydrogen atoms are bonded to the carbon atom?

• 1

• 2

• 3

• 4

How many valence electrons does carbon have?

• 6

• 8

• 4

• 2

What is the chemical formula for ammonia?

• NH2

• N2H4

• NH4

• NH3

How many bonds does nitrogen form in ammonia (NH3)?

• 3

• 2

• 1

• 4