Covalent Bonding Mostly

What two types of atoms usually make a covalent bond?

• 2 Nonmetals
• 1 Nonmetal and 1 Metal
• 2 Metals
• 2 Noble Gases

What can be generalized about covalent bonds?

• Electrons will be exchanged.
• Electrons will be transferred.
• Electrons will be given and taken.
• Electrons will be shared.

Carbon is in Group 4/4A, so how many bonds must it form to become more stable?

• 1

• 3

• 4

• 5

When two nonmetals do not share electrons evenly, the resulting covalent bond will be

• nonpolar

• polar

• ionic

• metallic

What is the number of valence electrons for Oxygen?

• 8
• 6
• 2
• 1

How many valence electrons does nitrogen have?

• 3
• 2
• 5
• 1

Which of the following is the best representation of a molecule of fluorine (F₂)?

• A

• B

• C

• D

What is a diatomic element?

• a type of metal that exists in pairs

• an element made up of two different atoms bonded together

• an element whose atoms exist in pairs always

• an element whose atoms exist in pairs when the element is found by itself

What type of bond is usually formed between a metal and a nonmetal?

• Covalent bond

• Ionic bond

• Hydrogen bond

• Metallic bond

The number of bonds an element will form in a covalent compound will be equal to

• the number of valence electrons
• eight always

• the number of electrons needed to reach a noble gas-like configuration

• the number of bonds that is needed to form an octet always