Covalent Bonding

When two atoms share electrons, a chemical bond is formed.  This type of bond is called:

• covalent bond
• ionic bond
• crystal bond
• polyatomic bond

Which of these is covalent?

• NaCl
• Pb(NO₃)₂
• CO₂
• AlCl₃

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is a double bond?

• a bond between two atoms
• one pair of electrons shared between two atoms
• two pairs of electrons shared between two atoms
• James Bond's brother

How many valence electrons does nitrogen have?

• 3
• 2
• 5
• 1

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Name CCl₄

• carbon carbon tetraiodide
• carbon tetrachloride
• monocarbon tetrachloride
• water

Give the formula for oxygen dichloride

• OCl₂
• O₂Cl₂

• OCl
• O₂Cl

Give the formula for phosphorus trifluoride

• P₃F
• PF
• PF₃
• P₃F₃

What type of bond forms when 2 or more electrons are SHARED?

• Covalent bond
• Incomplete bond
• Ionic bond
• Metallic bond

What type of bond forms between two or more atoms that are charged (+/-)?

• Covalent bond
• Incomplete bond
• Ionic bond
• Metallic bond

Tags

NGSS.HS-PS1-3

Which of the following is an example of an IONIC COMPOUND?

• NaCl
• H₂O
• CO₂
• NO

Tags

NGSS.HS-PS1-2