Ionic & Covalent bonding

In the chemical formula for an ionic compound, which item is written first?

• positive ion
• negative ion
• subscript
• the female

Tags

NGSS.MS-PS1-1

Which is the correct name for CaBr₂?

• Calcium Bromine
• Bromine Calcium
• Calcium Bromide
• Carbon and Bromine

What is the formula of Sodium oxide?

• Na2O
• NaO₂
• Na₂O₂
• Na₂O

What is the formula of calcium oxide?

• CaO₂
• CaO
• Ca₂O
• CO

Tags

NGSS.MS-PS1-1

An ionic bond is the attraction between:

• oppositely charged ions
• similarly charged ions
• neutral ions
• neutral atoms

Tags

NGSS.HS-PS1-2

What is the formula for magnesium phosphide?

• Mg₃P₂
• Mg₂P₃
• Mg₂(PO₄)₃
• Mg₃(PO₄)₂

Write the formula for barium + nitrogen

• Ba₂N₃
• Ba₃N₂
• BaN
• BaN₃

Tags

NGSS.HS-PS1-2

Write the correct chemical formula for Ag ⁺  and  Br ^-

• AgBr
• silver bromide
• Ag₂Br₂
• gold bromide

Tags

NGSS.MS-PS1-1

What is the formula for tin (II) nitride?

• Sn₃N₂
• SnN₂
• Sn₃N
• SnN

Tags

NGSS.HS-PS1-2

What is the formula for aluminum sulfide?

• Al₂S₃
• Al3S2
• Al₂SO₄
• AlS