Covalent bonding

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.

Tags

NGSS.HS-PS1-1

Carbon is in 4A, so how many bonds can it form based on electrons needed to fill its outer shell?

• 1

• 3

• 4

• 5

Tags

NGSS.HS-LS1-6

What two types of atoms make a covalent bond?

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

What bond is formed between a metal and a nonmetal?

• Covalent bond

• Ionic bond

• Hydrogen bond

• Metallic bond

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

• nonpolar

• polar

• ionic

• metallic

Since covalent compounds do not have free charges, they are

• good conductors

• poor conductors

• ionic

• metallic

Which of the following is NOT an ionic compound:

• CaO
• NaOH
• BaCl₂
• Br₂

In a covalent bond, one or more electrons are? 

• shared 
• lost 
• gained 
• transferred 

Tags

NGSS.HS-PS1-4

If an atom has no charge, which of the following must be true?

• It has more neutrons than protons or electrons.

• There are only neutrons inside the atom.

• Its number of protons is equal to its number of electrons.

• The neutrons in the atom outnumber the electrons and protons.

Which of these are an ion?

• 3 protons, 3 neutrons, 3 electrons.

• 8 protons, 8 neutrons, 8 electrons

• 2 protons, 3 neutrons, 2 electrons

• 6 protons, 6 neutrons, 7 electrons