Ionic and 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 the charge on an Aluminum ion?

• 3
• +3
• +2
• +1

Tags

NGSS.HS-PS1-1

How many valence electrons does nitrogen have?

• 3
• 2
• 5
• 1

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons does hydrogen have?

• 4

• 3
• 2
• 1

Tags

NGSS.HS-PS1-1

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

An ionic bond happens between what kinds of elements?

• metals and metals
• metals and nonmetals
• nonmetals and nonmetals

Tags

NGSS.HS-PS1-2

Which chemical could be represented by this molecule?

• CH₄

• CO₂

• PCl₅

• BF₃