Ionic and Covalent Compounds

How many valence electrons does calcium have?

• 2
• 4
• 6
• 7

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1

Ionic or covalent?
NaBr

• Ionic
• Covalent

Ionic or covalent?
H₂O

• Ionic
• Covalent

What is the ONLY part of the atom that makes a chemical bond

• Nucleus
• electrons
• valence electrons
• protons

Atoms that lose electrons become...

• negatively charged
• positively charged
• remain neutral, no charge
• losers

Atoms that gain electrons become...

• negatively charged
• positively charged
• remain neutrally charged
• 21

Phosphorous trichloride

• PCl₃

• P₃Cl

• P₃Cl₃

• PCl

Na₂O

• Sodium oxide
• Soidide oxide
• Sodium(II) oxide
• Sodium oxate 

What is the formula for magnesium phosphide?

• Mg₃P₂
• Mg₂P₃
• Mg₂PO₃
• Mg₃(PO₃)₂

Bromine monoflouride

• BrF₉

• BrF

• Br₂F

• BrF₂