Ionic bonding practice

Write the formula for: Iron (II) Oxide

• Fe₂O
• Fe₃O₂
• FeO
• OFe

What is the charge of an ion in group 13?

• +3

• -3

• -5

• +5

Tags

NGSS.HS-PS1-1

Ionic compounds are written with

• cation (+ ion) first then anion (- ion)
• anion (- ion) first then cation (+ ion)
• either way is fine
• polyatomic ions first

What is the FORMULA for
calcium chloride

• CaCl₂
• Cl₂Ca
• Ca₂Cl
• CaCl

Tags

NGSS.MS-PS1-1

What is the formula for the compound formed by magnesium ions and nitrogen ions?

• MgN
• Mg₂N₃
• Mg₃N₂
• MgN₃

When using the criss-cross rule...

• charges become subscripts for the same ion
• subscripts become charges for the same ion
• charges become subscripts for opposite ions
• subscripts become charges for opposite ions

Which of these combinations is an ionic compound made of?

• Metal and Metal
• Nonmetal and Nonmetal
• Metal and Nonmetal
• Cation and Cation

According to the octet rule, all atoms want to have ___ electrons in their outer shell

• 1
• 2
• 6
• 8

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons does N have?

• 1
• 3
• 5
• 8

Tags

NGSS.HS-PS1-1

High Melting & Boiling Points

• Ionic
• Covalent

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-3